40453600815 has 48 divisors (see below), whose sum is σ = 76191098880. Its totient is φ = 19780355520.

The previous prime is 40453600793. The next prime is 40453600933. The reversal of 40453600815 is 51800635404.

It is a happy number.

40453600815 is a `hidden beast` number, since 4 + 0 + 45 + 3 + 600 + 8 + 1 + 5 = 666.

It is not a de Polignac number, because 40453600815 - 2⁵ = 40453600783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40453600815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 736627 + ... + 789636.

It is an arithmetic number, because the mean of its divisors is an integer number (1587314560).

Almost surely, 2^40453600815 is an apocalyptic number.

40453600815 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40453600815 is a deficient number, since it is larger than the sum of its proper divisors (35737498065).

40453600815 is a wasteful number, since it uses less digits than its factorization.

40453600815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526324 (or 1526321 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 40453600815 in words is "forty billion, four hundred fifty-three million, six hundred thousand, eight hundred fifteen".