40026452432 has 20 divisors (see below), whose sum is σ = 78865681440. Its totient is φ = 19674018528.

The previous prime is 40026452423. The next prime is 40026452447. The reversal of 40026452432 is 23425462004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21199508 + ... + 21201395.

It is an arithmetic number, because the mean of its divisors is an integer number (3943284072).

Almost surely, 2^40026452432 is an apocalyptic number.

It is an amenable number.

40026452432 is a deficient number, since it is larger than the sum of its proper divisors (38839229008).

40026452432 is a wasteful number, since it uses less digits than its factorization.

40026452432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42400970 (or 42400964 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The spelling of 40026452432 in words is "forty billion, twenty-six million, four hundred fifty-two thousand, four hundred thirty-two".