40877712290 has 16 divisors (see below), whose sum is σ = 73699147512. Its totient is φ = 16324581504.

The previous prime is 40877712277. The next prime is 40877712299. The reversal of 40877712290 is 9221777804.

It can be written as a sum of positive squares in 4 ways, for example, as 8066374969 + 32811337321 = 89813^2 + 181139^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40877712299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3306449 + ... + 3318788.

Almost surely, 2^40877712290 is an apocalyptic number.

40877712290 is a deficient number, since it is larger than the sum of its proper divisors (32821435222).

40877712290 is a wasteful number, since it uses less digits than its factorization.

40877712290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625861.

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 40877712290 in words is "forty billion, eight hundred seventy-seven million, seven hundred twelve thousand, two hundred ninety".