40472323900 has 18 divisors (see below), whose sum is σ = 87824943080. Its totient is φ = 16188929520.

The previous prime is 40472323873. The next prime is 40472323919. The reversal of 40472323900 is 932327404.

It is a happy number.

It is a super-2 number, since 2×40472323900² (a number of 22 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 202361520 + ... + 202361719.

Almost surely, 2^40472323900 is an apocalyptic number.

It is an amenable number.

40472323900 is an abundant number, since it is smaller than the sum of its proper divisors (47352619180).

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

40472323900 is a wasteful number, since it uses less digits than its factorization.

40472323900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404723253 (or 404723246 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The spelling of 40472323900 in words is "forty billion, four hundred seventy-two million, three hundred twenty-three thousand, nine hundred".