40452065412 has 24 divisors (see below), whose sum is σ = 102968894112. Its totient is φ = 12258201600.

The previous prime is 40452065359. The next prime is 40452065413. The reversal of 40452065412 is 21456025404.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (40452065413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153227389 + ... + 153227652.

It is an arithmetic number, because the mean of its divisors is an integer number (4290370588).

Almost surely, 2^40452065412 is an apocalyptic number.

It is an amenable number.

40452065412 is an abundant number, since it is smaller than the sum of its proper divisors (62516828700).

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

40452065412 is a wasteful number, since it uses less digits than its factorization.

40452065412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306455059 (or 306455057 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 40452065412 in words is "forty billion, four hundred fifty-two million, sixty-five thousand, four hundred twelve".