1042664620 has 24 divisors (see below), whose sum is σ = 2193350544. Its totient is φ = 416350656.

The previous prime is 1042664537. The next prime is 1042664627. The reversal of 1042664620 is 264662401.

1042664620 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1042664627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32667 + ... + 56146.

It is an arithmetic number, because the mean of its divisors is an integer number (91389606).

Almost surely, 2^1042664620 is an apocalyptic number.

1042664620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042664620 is an abundant number, since it is smaller than the sum of its proper divisors (1150685924).

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

1042664620 is a wasteful number, since it uses less digits than its factorization.

1042664620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89409 (or 89407 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1042664620 is about 32290.3177438687. The cubic root of 1042664620 is about 1014.0239494724.

The spelling of 1042664620 in words is "one billion, forty-two million, six hundred sixty-four thousand, six hundred twenty".