40304178674991 has 64 divisors (see below), whose sum is σ = 74445259852800. Its totient is φ = 20936742019200.

The previous prime is 40304178674971. The next prime is 40304178675001. The reversal of 40304178674991 is 19947687140304.

40304178674991 is a `hidden beast` number, since 4 + 0 + 30 + 41 + 78 + 6 + 7 + 499 + 1 = 666.

It is not a de Polignac number, because 40304178674991 - 2¹⁴ = 40304178658607 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40304178674971) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 98150521 + ... + 98560301.

It is an arithmetic number, because the mean of its divisors is an integer number (1163207185200).

Almost surely, 2^{40304178674991} is an apocalyptic number.

40304178674991 is a deficient number, since it is larger than the sum of its proper divisors (34141081177809).

40304178674991 is a wasteful number, since it uses less digits than its factorization.

40304178674991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457117 (or 457111 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 40304178674991 in words is "forty trillion, three hundred four billion, one hundred seventy-eight million, six hundred seventy-four thousand, nine hundred ninety-one".