42699264 has 40 divisors (see below), whose sum is σ = 113757600. Its totient is φ = 14232576.

The previous prime is 42699259. The next prime is 42699269. The reversal of 42699264 is 46299624.

It is an interprime number because it is at equal distance from previous prime (42699259) and next prime (42699269).

It is a super-2 number, since 2×42699264² = 3646454292283392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42699269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12364 + ... + 15435.

It is an arithmetic number, because the mean of its divisors is an integer number (2843940).

Almost surely, 2^42699264 is an apocalyptic number.

It is an amenable number.

42699264 is an abundant number, since it is smaller than the sum of its proper divisors (71058336).

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

42699264 is an equidigital number, since it uses as much as digits as its factorization.

42699264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27820 (or 27804 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 42699264 is about 6534.4673845693. The cubic root of 42699264 is about 349.5211519717.

The spelling of 42699264 in words is "forty-two million, six hundred ninety-nine thousand, two hundred sixty-four".