264401279930 has 8 divisors (see below), whose sum is σ = 475922303892. Its totient is φ = 105760511968.

The previous prime is 264401279921. The next prime is 264401279959. The reversal of 264401279930 is 39972104462.

It can be written as a sum of positive squares in 2 ways, for example, as 239677805761 + 24723474169 = 489569^2 + 157237^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13220063987 + ... + 13220064006.

Almost surely, 2^264401279930 is an apocalyptic number.

264401279930 is a deficient number, since it is larger than the sum of its proper divisors (211521023962).

264401279930 is a wasteful number, since it uses less digits than its factorization.

264401279930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26440128000.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 264401279930 in words is "two hundred sixty-four billion, four hundred one million, two hundred seventy-nine thousand, nine hundred thirty".