40371428226 has 32 divisors (see below), whose sum is σ = 82474599168. Its totient is φ = 13168615040.

The previous prime is 40371428183. The next prime is 40371428239. The reversal of 40371428226 is 62282417304.

It is a happy 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, 3169246 + ... + 3181958.

It is an arithmetic number, because the mean of its divisors is an integer number (2577331224).

Almost surely, 2^40371428226 is an apocalyptic number.

40371428226 is an abundant number, since it is smaller than the sum of its proper divisors (42103170942).

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

40371428226 is a wasteful number, since it uses less digits than its factorization.

40371428226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24026.

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 40371428226 in words is "forty billion, three hundred seventy-one million, four hundred twenty-eight thousand, two hundred twenty-six".