27401407564366 has 32 divisors (see below), whose sum is σ = 44875867867776. Its totient is φ = 12444854100000.

The previous prime is 27401407564337. The next prime is 27401407564387. The reversal of 27401407564366 is 66346570410472.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242646516 + ... + 242759416.

It is an arithmetic number, because the mean of its divisors is an integer number (1402370870868).

Almost surely, 2^{27401407564366} is an apocalyptic number.

27401407564366 is a deficient number, since it is larger than the sum of its proper divisors (17474460303410).

27401407564366 is a wasteful number, since it uses less digits than its factorization.

27401407564366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121968.

The product of its (nonzero) digits is 20321280, while the sum is 55.

The spelling of 27401407564366 in words is "twenty-seven trillion, four hundred one billion, four hundred seven million, five hundred sixty-four thousand, three hundred sixty-six".