26264536380 has 72 divisors (see below), whose sum is σ = 83862214800. Its totient is φ = 6635250432.

The previous prime is 26264536307. The next prime is 26264536411. The reversal of 26264536380 is 8363546262.

It is a happy number.

26264536380 is a `hidden beast` number, since 2 + 6 + 2 + 6 + 4 + 5 + 3 + 638 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3836425 + ... + 3843264.

Almost surely, 2^26264536380 is an apocalyptic number.

26264536380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26264536380 is an abundant number, since it is smaller than the sum of its proper divisors (57597678420).

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

26264536380 is a wasteful number, since it uses less digits than its factorization.

26264536380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7679723 (or 7679718 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 26264536380 in words is "twenty-six billion, two hundred sixty-four million, five hundred thirty-six thousand, three hundred eighty".