40167475878 has 16 divisors (see below), whose sum is σ = 82203206976. Its totient is φ = 13077782760.

The previous prime is 40167475867. The next prime is 40167475889. The reversal of 40167475878 is 87857476104.

It is an interprime number because it is at equal distance from previous prime (40167475867) and next prime (40167475889).

It is a super-2 number, since 2×40167475878² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77843688 + ... + 77844203.

It is an arithmetic number, because the mean of its divisors is an integer number (5137700436).

Almost surely, 2^40167475878 is an apocalyptic number.

40167475878 is an abundant number, since it is smaller than the sum of its proper divisors (42035731098).

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

40167475878 is a wasteful number, since it uses less digits than its factorization.

40167475878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155687939.

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 40167475878 in words is "forty billion, one hundred sixty-seven million, four hundred seventy-five thousand, eight hundred seventy-eight".