1042009056 has 96 divisors (see below), whose sum is σ = 3315513600. Its totient is φ = 315757440.

The previous prime is 1042009037. The next prime is 1042009057. The reversal of 1042009056 is 6509002401.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1042009056² = 2171565745572022272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042009057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45316 + ... + 64323.

It is an arithmetic number, because the mean of its divisors is an integer number (34536600).

Almost surely, 2^1042009056 is an apocalyptic number.

1042009056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1042009056 is an abundant number, since it is smaller than the sum of its proper divisors (2273504544).

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

1042009056 is a wasteful number, since it uses less digits than its factorization.

1042009056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109669 (or 109655 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1042009056 is about 32280.1650553401. The cubic root of 1042009056 is about 1013.8113860869.

The spelling of 1042009056 in words is "one billion, forty-two million, nine thousand, fifty-six".