40138000451352 has 48 divisors (see below), whose sum is σ = 108715345656840. Its totient is φ = 13378316732928.

The previous prime is 40138000451299. The next prime is 40138000451429. The reversal of 40138000451352 is 25315400083104.

40138000451352 is a `hidden beast` number, since 4 + 0 + 13 + 80 + 0 + 0 + 4 + 513 + 52 = 666.

It is a super-2 number, since 2×40138000451352² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20227993 + ... + 22123464.

Almost surely, 2^{40138000451352} is an apocalyptic number.

It is an amenable number.

40138000451352 is an abundant number, since it is smaller than the sum of its proper divisors (68577345205488).

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

40138000451352 is a wasteful number, since it uses less digits than its factorization.

40138000451352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42364632 (or 42364625 counting only the distinct ones).

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

The spelling of 40138000451352 in words is "forty trillion, one hundred thirty-eight billion, four hundred fifty-one thousand, three hundred fifty-two".