40090172774040 has 96 divisors (see below), whose sum is σ = 130293947674800. Its totient is φ = 10690640029440.

The previous prime is 40090172774021. The next prime is 40090172774107. The reversal of 40090172774040 is 4047727109004.

40090172774040 is a `hidden beast` number, since 4 + 0 + 0 + 9 + 0 + 172 + 77 + 404 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71601975 + ... + 72159705.

Almost surely, 2^{40090172774040} is an apocalyptic number.

40090172774040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40090172774040 is an abundant number, since it is smaller than the sum of its proper divisors (90203774900760).

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

40090172774040 is a wasteful number, since it uses less digits than its factorization.

40090172774040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757417 (or 757410 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 40090172774040 in words is "forty trillion, ninety billion, one hundred seventy-two million, seven hundred seventy-four thousand, forty".