65540274274 has 8 divisors (see below), whose sum is σ = 98311769388. Its totient is φ = 32769684480.

The previous prime is 65540274257. The next prime is 65540274377. The reversal of 65540274274 is 47247204556.

It can be written as a sum of positive squares in 2 ways, for example, as 63254765025 + 2285509249 = 251505^2 + 47807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×65540274274² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127 + ... + 362050.

Almost surely, 2^65540274274 is an apocalyptic number.

65540274274 is a deficient number, since it is larger than the sum of its proper divisors (32771495114).

65540274274 is a wasteful number, since it uses less digits than its factorization.

65540274274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452660.

The product of its (nonzero) digits is 1881600, while the sum is 46.

The spelling of 65540274274 in words is "sixty-five billion, five hundred forty million, two hundred seventy-four thousand, two hundred seventy-four".