40406733400 has 48 divisors (see below), whose sum is σ = 102486174840. Its totient is φ = 14693356800.

The previous prime is 40406733377. The next prime is 40406733421. The reversal of 40406733400 is 433760404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9181149 + ... + 9185548.

Almost surely, 2^40406733400 is an apocalyptic number.

40406733400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40406733400 is an abundant number, since it is smaller than the sum of its proper divisors (62079441440).

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

40406733400 is a wasteful number, since it uses less digits than its factorization.

40406733400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18366724 (or 18366715 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 31.

The spelling of 40406733400 in words is "forty billion, four hundred six million, seven hundred thirty-three thousand, four hundred".