26626947140 has 48 divisors (see below), whose sum is σ = 57996603504. Its totient is φ = 10260288000.

The previous prime is 26626947133. The next prime is 26626947181. The reversal of 26626947140 is 4174962662.

It can be written as a sum of positive squares in 8 ways, for example, as 1584517636 + 25042429504 = 39806^2 + 158248^2 .

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, 103391 + ... + 252870.

It is an arithmetic number, because the mean of its divisors is an integer number (1208262573).

Almost surely, 2^26626947140 is an apocalyptic number.

26626947140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26626947140 is an abundant number, since it is smaller than the sum of its proper divisors (31369656364).

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

26626947140 is a wasteful number, since it uses less digits than its factorization.

26626947140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356408 (or 356406 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 26626947140 in words is "twenty-six billion, six hundred twenty-six million, nine hundred forty-seven thousand, one hundred forty".