27425157372 has 18 divisors (see below), whose sum is σ = 69324703448. Its totient is φ = 9141719112.

The previous prime is 27425157371. The next prime is 27425157413. The reversal of 27425157372 is 27375152472.

27425157372 is a `hidden beast` number, since 2 + 7 + 4 + 2 + 5 + 1 + 573 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27425157371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 380904928 + ... + 380904999.

Almost surely, 2^27425157372 is an apocalyptic number.

It is an amenable number.

27425157372 is an abundant number, since it is smaller than the sum of its proper divisors (41899546076).

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

27425157372 is a wasteful number, since it uses less digits than its factorization.

27425157372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761809937 (or 761809932 counting only the distinct ones).

The product of its digits is 823200, while the sum is 45.

The spelling of 27425157372 in words is "twenty-seven billion, four hundred twenty-five million, one hundred fifty-seven thousand, three hundred seventy-two".