40267022238 has 32 divisors (see below), whose sum is σ = 91386155520. Its totient is φ = 13136758200.

The previous prime is 40267022233. The next prime is 40267022267. The reversal of 40267022238 is 83222076204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40267022233) 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, 7930288 + ... + 7935363.

It is an arithmetic number, because the mean of its divisors is an integer number (2855817360).

Almost surely, 2^40267022238 is an apocalyptic number.

40267022238 is an abundant number, since it is smaller than the sum of its proper divisors (51119133282).

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

40267022238 is a wasteful number, since it uses less digits than its factorization.

40267022238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15865709 (or 15865703 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 40267022238 in words is "forty billion, two hundred sixty-seven million, twenty-two thousand, two hundred thirty-eight".