264401279960 has 32 divisors (see below), whose sum is σ = 626213559600. Its totient is φ = 100194168960.

The previous prime is 264401279959. The next prime is 264401279977. The reversal of 264401279960 is 69972104462.

It is a junction number, because it is equal to n+sod(n) for n = 264401279899 and 264401279908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173947451 + ... + 173948970.

Almost surely, 2^264401279960 is an apocalyptic number.

264401279960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264401279960 is an abundant number, since it is smaller than the sum of its proper divisors (361812279640).

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

264401279960 is a wasteful number, since it uses less digits than its factorization.

264401279960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347896451 (or 347896447 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 264401279960 in words is "two hundred sixty-four billion, four hundred one million, two hundred seventy-nine thousand, nine hundred sixty".