40877779260 has 24 divisors (see below), whose sum is σ = 114457782096. Its totient is φ = 10900741120.

The previous prime is 40877779237. The next prime is 40877779279. The reversal of 40877779260 is 6297777804.

It is a happy number.

It is a super-2 number, since 2×40877779260² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40877779260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340648101 + ... + 340648220.

It is an arithmetic number, because the mean of its divisors is an integer number (4769074254).

Almost surely, 2^40877779260 is an apocalyptic number.

It is an amenable number.

40877779260 is an abundant number, since it is smaller than the sum of its proper divisors (73580002836).

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

40877779260 is a wasteful number, since it uses less digits than its factorization.

40877779260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681296333 (or 681296331 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 57.

The spelling of 40877779260 in words is "forty billion, eight hundred seventy-seven million, seven hundred seventy-nine thousand, two hundred sixty".