42993264 has 40 divisors (see below), whose sum is σ = 111322240. Its totient is φ = 14298048.

The previous prime is 42993239. The next prime is 42993271. The reversal of 42993264 is 46239924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28989 + ... + 30435.

It is an arithmetic number, because the mean of its divisors is an integer number (2783056).

Almost surely, 2^42993264 is an apocalyptic number.

It is an amenable number.

42993264 is an abundant number, since it is smaller than the sum of its proper divisors (68328976).

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

42993264 is a wasteful number, since it uses less digits than its factorization.

42993264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077 (or 2071 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 42993264 is about 6556.9248890009. The cubic root of 42993264 is about 350.3215113707.

The spelling of 42993264 in words is "forty-two million, nine hundred ninety-three thousand, two hundred sixty-four".