40431850000 has 60 divisors (see below), whose sum is σ = 97914740868. Its totient is φ = 16172720000.

The previous prime is 40431849923. The next prime is 40431850021. The reversal of 40431850000 is 5813404.

It can be written as a sum of positive squares in 6 ways, for example, as 30342852864 + 10088997136 = 174192^2 + 100444^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354319 + ... + 454318.

Almost surely, 2^40431850000 is an apocalyptic number.

40431850000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40431850000 is an abundant number, since it is smaller than the sum of its proper divisors (57482890868).

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

40431850000 is an frugal number, since it uses more digits than its factorization.

40431850000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808670 (or 808644 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 40431850000 in words is "forty billion, four hundred thirty-one million, eight hundred fifty thousand".