40158398016396 has 72 divisors (see below), whose sum is σ = 111319614701568. Its totient is φ = 12105498348000.

The previous prime is 40158398016389. The next prime is 40158398016413. The reversal of 40158398016396 is 69361089385104.

40158398016396 is a `hidden beast` number, since 4 + 0 + 1 + 583 + 9 + 8 + 0 + 16 + 39 + 6 = 666.

It is a super-2 number, since 2×40158398016396² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265395820 + ... + 265547091.

It is an arithmetic number, because the mean of its divisors is an integer number (1546105759744).

Almost surely, 2^{40158398016396} is an apocalyptic number.

It is an amenable number.

40158398016396 is an abundant number, since it is smaller than the sum of its proper divisors (71161216685172).

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

40158398016396 is a wasteful number, since it uses less digits than its factorization.

40158398016396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530943123 (or 530943118 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 40158398016396 in words is "forty trillion, one hundred fifty-eight billion, three hundred ninety-eight million, sixteen thousand, three hundred ninety-six".