1042646418 has 56 divisors (see below), whose sum is σ = 2558092176. Its totient is φ = 315948600.

The previous prime is 1042646399. The next prime is 1042646453. The reversal of 1042646418 is 8146462401.

It is a happy number.

1042646418 is a `hidden beast` number, since 1 + 0 + 4 + 2 + 6 + 4 + 641 + 8 = 666.

It is a super-2 number, since 2×1042646418² = 2174223105936461448, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 16468 + ... + 48543.

Almost surely, 2^1042646418 is an apocalyptic number.

1042646418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1042646418 is an abundant number, since it is smaller than the sum of its proper divisors (1515445758).

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

1042646418 is an equidigital number, since it uses as much as digits as its factorization.

1042646418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65042 (or 65027 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1042646418 is about 32290.0358934455. The cubic root of 1042646418 is about 1014.0180487667.

The spelling of 1042646418 in words is "one billion, forty-two million, six hundred forty-six thousand, four hundred eighteen".