26615820480 has 112 divisors (see below), whose sum is σ = 85575160320. Its totient is φ = 7007689728.

The previous prime is 26615820461. The next prime is 26615820499. The reversal of 26615820480 is 8402851662.

It is an interprime number because it is at equal distance from previous prime (26615820461) and next prime (26615820499).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99634 + ... + 251313.

Almost surely, 2^26615820480 is an apocalyptic number.

26615820480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26615820480 is an abundant number, since it is smaller than the sum of its proper divisors (58959339840).

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

26615820480 is a wasteful number, since it uses less digits than its factorization.

26615820480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351046 (or 351036 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 26615820480 in words is "twenty-six billion, six hundred fifteen million, eight hundred twenty thousand, four hundred eighty".