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1040550000 = 243557991
BaseRepresentation
bin111110000001011…
…000100001110000
32200111222102020220
4332001120201300
54112340100000
6251130333040
734533346320
oct7601304160
92614872226
101040550000
114943aa686
1225058a180
13137767179
149c2a5280
15615411a0
hex3e058870

1040550000 has 240 divisors, whose sum is σ = 3843753984. Its totient is φ = 237600000.

The previous prime is 1040549977. The next prime is 1040550013. The reversal of 1040550000 is 550401.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1049505 + ... + 1050495.

Almost surely, 21040550000 is an apocalyptic number.

1040550000 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 1040550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1921876992).

1040550000 is an abundant number, since it is smaller than the sum of its proper divisors (2803203984).

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

1040550000 is an frugal number, since it uses more digits than its factorization.

1040550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 1040550000 is about 32257.5572540761. The cubic root of 1040550000 is about 1013.3379741631.

The spelling of 1040550000 in words is "one billion, forty million, five hundred fifty thousand".