264620842 has 16 divisors (see below), whose sum is σ = 415535040. Its totient is φ = 126146592.

The previous prime is 264620803. The next prime is 264620887. The reversal of 264620842 is 248026462.

It is a junction number, because it is equal to n+sod(n) for n = 264620798 and 264620807.

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, 5209 + ... + 23587.

It is an arithmetic number, because the mean of its divisors is an integer number (25970940).

Almost surely, 2^264620842 is an apocalyptic number.

264620842 is a deficient number, since it is larger than the sum of its proper divisors (150914198).

264620842 is a wasteful number, since it uses less digits than its factorization.

264620842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18717.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 264620842 is about 16267.1706820824. The cubic root of 264620842 is about 642.0093440409.

The spelling of 264620842 in words is "two hundred sixty-four million, six hundred twenty thousand, eight hundred forty-two".