264425642 has 16 divisors (see below), whose sum is σ = 428992200. Its totient is φ = 121516032.

The previous prime is 264425627. The next prime is 264425653. The reversal of 264425642 is 246524462.

264425642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 142301041 + 122124601 = 11929^2 + 11051^2 .

It is a super-2 number, since 2×264425642² = 139841840294224328, which contains 22 as substring.

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, 15767 + ... + 27882.

Almost surely, 2^264425642 is an apocalyptic number.

264425642 is a deficient number, since it is larger than the sum of its proper divisors (164566558).

264425642 is a wasteful number, since it uses less digits than its factorization.

264425642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43897.

The product of its digits is 92160, while the sum is 35.

The square root of 264425642 is about 16261.1697611211. The cubic root of 264425642 is about 641.8514438415.

The spelling of 264425642 in words is "two hundred sixty-four million, four hundred twenty-five thousand, six hundred forty-two".