40167133506 has 24 divisors (see below), whose sum is σ = 87032941164. Its totient is φ = 13388405760.

The previous prime is 40167133481. The next prime is 40167133543. The reversal of 40167133506 is 60533176104.

40167133506 is a `hidden beast` number, since 4 + 0 + 16 + 7 + 133 + 506 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35215900281 + 4951233225 = 187659^2 + 70365^2 .

It is a super-2 number, since 2×40167133506² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477666 + ... + 555426.

Almost surely, 2^40167133506 is an apocalyptic number.

40167133506 is an abundant number, since it is smaller than the sum of its proper divisors (46865807658).

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

40167133506 is a wasteful number, since it uses less digits than its factorization.

40167133506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106466 (or 106463 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 40167133506 in words is "forty billion, one hundred sixty-seven million, one hundred thirty-three thousand, five hundred six".