40134380651466 has 32 divisors (see below), whose sum is σ = 81805879378368. Its totient is φ = 13122080125440.

The previous prime is 40134380651447. The next prime is 40134380651527. The reversal of 40134380651466 is 66415608343104.

It is a super-2 number, since 2×40134380651466² (a number of 28 digits) contains 22 as substring.

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, 16296400 + ... + 18596811.

It is an arithmetic number, because the mean of its divisors is an integer number (2556433730574).

Almost surely, 2^{40134380651466} is an apocalyptic number.

40134380651466 is an abundant number, since it is smaller than the sum of its proper divisors (41671498726902).

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

40134380651466 is a wasteful number, since it uses less digits than its factorization.

40134380651466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34896886.

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 40134380651466 in words is "forty trillion, one hundred thirty-four billion, three hundred eighty million, six hundred fifty-one thousand, four hundred sixty-six".