40177875366 has 24 divisors (see below), whose sum is σ = 89287440840. Its totient is φ = 13392134136.

The previous prime is 40177875359. The next prime is 40177875371. The reversal of 40177875366 is 66357877104.

40177875366 is a `hidden beast` number, since 40 + 177 + 8 + 75 + 366 = 666.

It is a super-2 number, since 2×40177875366² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1459320 + ... + 1486596.

It is an arithmetic number, because the mean of its divisors is an integer number (3720310035).

Almost surely, 2^40177875366 is an apocalyptic number.

40177875366 is an abundant number, since it is smaller than the sum of its proper divisors (49109565474).

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

40177875366 is an frugal number, since it uses more digits than its factorization.

40177875366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54565 (or 27282 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

Multiplying 40177875366 by its sum of digits (54), we get a square (2169605269764 = 1472958²).

40177875366 divided by its sum of digits (54) gives a square (744034729 = 27277²).

The spelling of 40177875366 in words is "forty billion, one hundred seventy-seven million, eight hundred seventy-five thousand, three hundred sixty-six".