1450494339840 has 864 divisors, whose sum is σ = 6501866542080. Its totient is φ = 289927102464.

The previous prime is 1450494339787. The next prime is 1450494339841. The reversal of 1450494339840 is 489334940541.

1450494339840 is a `hidden beast` number, since 1 + 4 + 504 + 9 + 4 + 3 + 3 + 98 + 40 = 666.

It is a super-2 number, since 2×1450494339840² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1450494339841) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19881669 + ... + 19954491.

Almost surely, 2^{1450494339840} is an apocalyptic number.

1450494339840 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 1450494339840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3250933271040).

1450494339840 is an abundant number, since it is smaller than the sum of its proper divisors (5051372202240).

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

1450494339840 is a wasteful number, since it uses less digits than its factorization.

1450494339840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72889 (or 72872 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 1450494339840 in words is "one trillion, four hundred fifty billion, four hundred ninety-four million, three hundred thirty-nine thousand, eight hundred forty".