26479629720 has 96 divisors (see below), whose sum is σ = 89026376400. Its totient is φ = 6817741056.

The previous prime is 26479629619. The next prime is 26479629721. The reversal of 26479629720 is 2792697462.

26479629720 is a `hidden beast` number, since 2 + 6 + 4 + 7 + 9 + 629 + 7 + 2 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26479629721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1257742 + ... + 1278621.

Almost surely, 2^26479629720 is an apocalyptic number.

26479629720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26479629720 is an abundant number, since it is smaller than the sum of its proper divisors (62546746680).

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

26479629720 is a wasteful number, since it uses less digits than its factorization.

26479629720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536409 (or 2536402 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 26479629720 in words is "twenty-six billion, four hundred seventy-nine million, six hundred twenty-nine thousand, seven hundred twenty".