40401146136 has 64 divisors (see below), whose sum is σ = 115170703200. Its totient is φ = 11699877888.

The previous prime is 40401146113. The next prime is 40401146143. The reversal of 40401146136 is 63164110404.

It is a congruent number.

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, 3803251 + ... + 3813858.

Almost surely, 2^40401146136 is an apocalyptic number.

It is an amenable number.

40401146136 is an abundant number, since it is smaller than the sum of its proper divisors (74769557064).

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

40401146136 is a wasteful number, since it uses less digits than its factorization.

40401146136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7617148 (or 7617144 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 40401146136 in words is "forty billion, four hundred one million, one hundred forty-six thousand, one hundred thirty-six".