40402155196 has 24 divisors (see below), whose sum is σ = 76653561600. Its totient is φ = 18521996352.

The previous prime is 40402155173. The next prime is 40402155197. The reversal of 40402155196 is 69155120404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40402155197) 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, 2599516 + ... + 2615011.

It is an arithmetic number, because the mean of its divisors is an integer number (3193898400).

Almost surely, 2^40402155196 is an apocalyptic number.

It is an amenable number.

40402155196 is a deficient number, since it is larger than the sum of its proper divisors (36251406404).

40402155196 is a wasteful number, since it uses less digits than its factorization.

40402155196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214693 (or 5214691 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 40402155196 in words is "forty billion, four hundred two million, one hundred fifty-five thousand, one hundred ninety-six".