264870042 has 8 divisors (see below), whose sum is σ = 529740096. Its totient is φ = 88290012.

The previous prime is 264870041. The next prime is 264870071. The reversal of 264870042 is 240078462.

It is a sphenic number, since it is the product of 3 distinct primes.

264870042 is an admirable number.

It is a super-2 number, since 2×264870042² = 140312278298163528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264869985 and 264870012.

It is not an unprimeable number, because it can be changed into a prime (264870041) 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, 22072498 + ... + 22072509.

It is an arithmetic number, because the mean of its divisors is an integer number (66217512).

Almost surely, 2^264870042 is an apocalyptic number.

264870042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

264870042 is a wasteful number, since it uses less digits than its factorization.

264870042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44145012.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 264870042 is about 16274.8284783588. The cubic root of 264870042 is about 642.2108128441.

The spelling of 264870042 in words is "two hundred sixty-four million, eight hundred seventy thousand, forty-two".