40689326132784 has 200 divisors, whose sum is σ = 140442294094080. Its totient is φ = 11120064227712.

The previous prime is 40689326132773. The next prime is 40689326132809. The reversal of 40689326132784 is 48723162398604.

40689326132784 is a `hidden beast` number, since 4 + 0 + 6 + 8 + 9 + 3 + 2 + 613 + 2 + 7 + 8 + 4 = 666.

It is a super-2 number, since 2×40689326132784² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 97294714 + ... + 97712025.

Almost surely, 2^{40689326132784} is an apocalyptic number.

It is an amenable number.

40689326132784 is an abundant number, since it is smaller than the sum of its proper divisors (99752967961296).

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

40689326132784 is a wasteful number, since it uses less digits than its factorization.

40689326132784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195006789 (or 195006774 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 63.

The spelling of 40689326132784 in words is "forty trillion, six hundred eighty-nine billion, three hundred twenty-six million, one hundred thirty-two thousand, seven hundred eighty-four".