40565937140 has 24 divisors (see below), whose sum is σ = 85711103520. Its totient is φ = 16126825248.

The previous prime is 40565937133. The next prime is 40565937193. The reversal of 40565937140 is 4173956504.

It is a junction number, because it is equal to n+sod(n) for n = 40565937091 and 40565937100.

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, 6218510 + ... + 6225029.

It is an arithmetic number, because the mean of its divisors is an integer number (3571295980).

Almost surely, 2^40565937140 is an apocalyptic number.

It is an amenable number.

40565937140 is an abundant number, since it is smaller than the sum of its proper divisors (45145166380).

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

40565937140 is a wasteful number, since it uses less digits than its factorization.

40565937140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12443711 (or 12443709 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 40565937140 in words is "forty billion, five hundred sixty-five million, nine hundred thirty-seven thousand, one hundred forty".