40632745881924 has 81 divisors (see below), whose sum is σ = 119480409060831. Its totient is φ = 11609279473680.

The previous prime is 40632745881919. The next prime is 40632745881943. The reversal of 40632745881924 is 42918854723604.

The square root of 40632745881924 is 6374382.

It is a perfect power (a square), and thus also a powerful number.

40632745881924 is a `hidden beast` number, since 4 + 0 + 6 + 3 + 27 + 4 + 588 + 1 + 9 + 24 = 666.

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

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 26 ways as a sum of consecutive naturals, for example, 267648159 + ... + 267799929.

It is a 1-persistent number, because it is pandigital, but 2⋅40632745881924 = 81265491763848 is not.

Almost surely, 2^{40632745881924} is an apocalyptic number.

40632745881924 is the 6374382-nd square number.

It is an amenable number.

40632745881924 is an abundant number, since it is smaller than the sum of its proper divisors (78847663178907).

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

40632745881924 is an frugal number, since it uses more digits than its factorization.

40632745881924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303566 (or 151783 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 63.

The spelling of 40632745881924 in words is "forty trillion, six hundred thirty-two billion, seven hundred forty-five million, eight hundred eighty-one thousand, nine hundred twenty-four".