26430663276 has 72 divisors (see below), whose sum is σ = 67230508800. Its totient is φ = 8754981120.

The previous prime is 26430663247. The next prime is 26430663299. The reversal of 26430663276 is 67236603462.

26430663276 is a `hidden beast` number, since 2 + 6 + 4 + 3 + 0 + 6 + 632 + 7 + 6 = 666.

It is a super-2 number, since 2×26430663276² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11062290 + ... + 11064678.

Almost surely, 2^26430663276 is an apocalyptic number.

It is an amenable number.

26430663276 is an abundant number, since it is smaller than the sum of its proper divisors (40799845524).

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

26430663276 is a wasteful number, since it uses less digits than its factorization.

26430663276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199 (or 4194 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 45.

The spelling of 26430663276 in words is "twenty-six billion, four hundred thirty million, six hundred sixty-three thousand, two hundred seventy-six".