40140545400 has 72 divisors (see below), whose sum is σ = 134805337680. Its totient is φ = 10704144960.

The previous prime is 40140545353. The next prime is 40140545411. The reversal of 40140545400 is 454504104.

40140545400 is a `hidden beast` number, since 40 + 1 + 40 + 545 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×40140545400² (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 17 ways as a sum of consecutive naturals, for example, 11148352 + ... + 11151951.

Almost surely, 2^40140545400 is an apocalyptic number.

40140545400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40140545400 is an abundant number, since it is smaller than the sum of its proper divisors (94664792280).

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

40140545400 is a wasteful number, since it uses less digits than its factorization.

40140545400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22300325 (or 22300313 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The spelling of 40140545400 in words is "forty billion, one hundred forty million, five hundred forty-five thousand, four hundred".