264072989402 has 8 divisors (see below), whose sum is σ = 403583248116. Its totient is φ = 129545240032.

The previous prime is 264072989387. The next prime is 264072989417. The reversal of 264072989402 is 204989270462.

It is an interprime number because it is at equal distance from previous prime (264072989387) and next prime (264072989417).

It can be written as a sum of positive squares in 2 ways, for example, as 263342422561 + 730566841 = 513169^2 + 27029^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (53).

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, 1245627203 + ... + 1245627414.

Almost surely, 2^264072989402 is an apocalyptic number.

264072989402 is a deficient number, since it is larger than the sum of its proper divisors (139510258714).

264072989402 is a wasteful number, since it uses less digits than its factorization.

264072989402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491254672.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 264072989402 in words is "two hundred sixty-four billion, seventy-two million, nine hundred eighty-nine thousand, four hundred two".