27406000640764 has 96 divisors (see below), whose sum is σ = 52254874828800. Its totient is φ = 12534336135360.

The previous prime is 27406000640713. The next prime is 27406000640797. The reversal of 27406000640764 is 46704600060472.

It is a super-2 number, since 2×27406000640764² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345076219 + ... + 345155629.

It is an arithmetic number, because the mean of its divisors is an integer number (544321612800).

Almost surely, 2^{27406000640764} is an apocalyptic number.

It is an amenable number.

27406000640764 is a deficient number, since it is larger than the sum of its proper divisors (24848874188036).

27406000640764 is a wasteful number, since it uses less digits than its factorization.

27406000640764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80783 (or 80781 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 46.

The spelling of 27406000640764 in words is "twenty-seven trillion, four hundred six billion, six hundred forty thousand, seven hundred sixty-four".