26211720416 has 48 divisors (see below), whose sum is σ = 59048446464. Its totient is φ = 11219865984.

The previous prime is 26211720407. The next prime is 26211720421. The reversal of 26211720416 is 61402711262.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113261 + ... + 255443.

It is an arithmetic number, because the mean of its divisors is an integer number (1230175968).

Almost surely, 2^26211720416 is an apocalyptic number.

It is an amenable number.

26211720416 is an abundant number, since it is smaller than the sum of its proper divisors (32836726048).

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

26211720416 is a wasteful number, since it uses less digits than its factorization.

26211720416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143023 (or 143015 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 26211720416 in words is "twenty-six billion, two hundred eleven million, seven hundred twenty thousand, four hundred sixteen".