27415440972 has 36 divisors (see below), whose sum is σ = 70990393656. Its totient is φ = 8915590080.

The previous prime is 27415440967. The next prime is 27415440973. The reversal of 27415440972 is 27904451472.

27415440972 is a `hidden beast` number, since 27 + 4 + 154 + 409 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (27415440973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9285598 + ... + 9288549.

Almost surely, 2^27415440972 is an apocalyptic number.

It is an amenable number.

27415440972 is an abundant number, since it is smaller than the sum of its proper divisors (43574952684).

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

27415440972 is a wasteful number, since it uses less digits than its factorization.

27415440972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18574198 (or 18574193 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 27415440972 in words is "twenty-seven billion, four hundred fifteen million, four hundred forty thousand, nine hundred seventy-two".