27285916051900 has 72 divisors (see below), whose sum is σ = 64595079931536. Its totient is φ = 9921863270400.

The previous prime is 27285916051859. The next prime is 27285916051913. The reversal of 27285916051900 is 915061958272.

It is a super-2 number, since 2×27285916051900² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39562812 + ... + 40246588.

It is an arithmetic number, because the mean of its divisors is an integer number (897153887938).

Almost surely, 2^{27285916051900} is an apocalyptic number.

27285916051900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27285916051900 is an abundant number, since it is smaller than the sum of its proper divisors (37309163879636).

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

27285916051900 is a wasteful number, since it uses less digits than its factorization.

27285916051900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720079 (or 720072 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 27285916051900 in words is "twenty-seven trillion, two hundred eighty-five billion, nine hundred sixteen million, fifty-one thousand, nine hundred".