40051245432 has 32 divisors (see below), whose sum is σ = 109230670080. Its totient is φ = 12136740960.

The previous prime is 40051245371. The next prime is 40051245433. The reversal of 40051245432 is 23454215004.

It is a self number, because there is not a number n which added to its sum of digits gives 40051245432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40051245433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 75854368 + ... + 75854895.

It is an arithmetic number, because the mean of its divisors is an integer number (3413458440).

Almost surely, 2^40051245432 is an apocalyptic number.

It is an amenable number.

40051245432 is an abundant number, since it is smaller than the sum of its proper divisors (69179424648).

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

40051245432 is a wasteful number, since it uses less digits than its factorization.

40051245432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151709283 (or 151709279 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 40051245432 in words is "forty billion, fifty-one million, two hundred forty-five thousand, four hundred thirty-two".