42656364 has 36 divisors (see below), whose sum is σ = 108029376. Its totient is φ = 14191968.

The previous prime is 42656357. The next prime is 42656381. The reversal of 42656364 is 46365624.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30382 + ... + 31754.

It is an arithmetic number, because the mean of its divisors is an integer number (3000816).

Almost surely, 2^42656364 is an apocalyptic number.

It is an amenable number.

42656364 is an abundant number, since it is smaller than the sum of its proper divisors (65373012).

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

42656364 is a wasteful number, since it uses less digits than its factorization.

42656364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246 (or 2241 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 42656364 is about 6531.1839661734. The cubic root of 42656364 is about 349.4040579793.

The spelling of 42656364 in words is "forty-two million, six hundred fifty-six thousand, three hundred sixty-four".