40400368147 has 16 divisors (see below), whose sum is σ = 42709962240. Its totient is φ = 38152935072.

The previous prime is 40400368139. The next prime is 40400368171. The reversal of 40400368147 is 74186300404.

It is not a de Polignac number, because 40400368147 - 2³ = 40400368139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40400368187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2339848 + ... + 2357050.

It is an arithmetic number, because the mean of its divisors is an integer number (2669372640).

Almost surely, 2^40400368147 is an apocalyptic number.

40400368147 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40400368147 is a deficient number, since it is larger than the sum of its proper divisors (2309594093).

40400368147 is a wasteful number, since it uses less digits than its factorization.

40400368147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19002.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 40400368147 in words is "forty billion, four hundred million, three hundred sixty-eight thousand, one hundred forty-seven".