26487903040 has 56 divisors (see below), whose sum is σ = 66394035360. Its totient is φ = 10037518848.

The previous prime is 26487903037. The next prime is 26487903061. The reversal of 26487903040 is 4030978462.

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, 2172202 + ... + 2184361.

Almost surely, 2^26487903040 is an apocalyptic number.

26487903040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26487903040 is an abundant number, since it is smaller than the sum of its proper divisors (39906132320).

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

26487903040 is a wasteful number, since it uses less digits than its factorization.

26487903040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356599 (or 4356589 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 26487903040 in words is "twenty-six billion, four hundred eighty-seven million, nine hundred three thousand, forty".