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1442499287040 = 211335744153
BaseRepresentation
bin10100111111011011101…
…010000101100000000000
312002220100020220021021000
4110333123222011200000
5142113214304141130
63022401445532000
7206134322430000
oct24773352054000
95086306807230
101442499287040
11506840272709
121b3696114000
13a60476c91b6
144db62ac0000
15277c9281260
hex14fdba85800

1442499287040 has 1920 divisors, whose sum is σ = 6243402110400. Its totient is φ = 315603025920.

The previous prime is 1442499287027. The next prime is 1442499287123. The reversal of 1442499287040 is 407829942441.

1442499287040 is a `hidden beast` number, since 1 + 4 + 42 + 499 + 2 + 8 + 70 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a super-2 number, since 2×14424992870402 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 27216967654 + ... + 27216967706.

Almost surely, 21442499287040 is an apocalyptic number.

1442499287040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442499287040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3121701055200).

1442499287040 is an abundant number, since it is smaller than the sum of its proper divisors (4800902823360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442499287040 is an frugal number, since it uses more digits than its factorization.

1442499287040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 1442499287040 in words is "one trillion, four hundred forty-two billion, four hundred ninety-nine million, two hundred eighty-seven thousand, forty".