40055586400 has 72 divisors (see below), whose sum is σ = 97817411160. Its totient is φ = 16017039360.

The previous prime is 40055586397. The next prime is 40055586409. The reversal of 40055586400 is 468555004.

It is a self number, because there is not a number n which added to its sum of digits gives 40055586400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40055586409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3305152 + ... + 3317248.

It is an arithmetic number, because the mean of its divisors is an integer number (1358575155).

Almost surely, 2^40055586400 is an apocalyptic number.

40055586400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40055586400 is an abundant number, since it is smaller than the sum of its proper divisors (57761824760).

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

40055586400 is a wasteful number, since it uses less digits than its factorization.

40055586400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16256 (or 16243 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 40055586400 in words is "forty billion, fifty-five million, five hundred eighty-six thousand, four hundred".