264401279932 has 24 divisors (see below), whose sum is σ = 471050007120. Its totient is φ = 129822591360.

The previous prime is 264401279921. The next prime is 264401279959. The reversal of 264401279932 is 239972104462.

It is a happy number.

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, 727582 + ... + 1028677.

It is an arithmetic number, because the mean of its divisors is an integer number (19627083630).

Almost surely, 2^264401279932 is an apocalyptic number.

It is an amenable number.

264401279932 is a deficient number, since it is larger than the sum of its proper divisors (206648727188).

264401279932 is a wasteful number, since it uses less digits than its factorization.

264401279932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756941 (or 1756939 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 264401279932 in words is "two hundred sixty-four billion, four hundred one million, two hundred seventy-nine thousand, nine hundred thirty-two".