40039959894048 has 72 divisors (see below), whose sum is σ = 113867307380736. Its totient is φ = 13346222947200.

The previous prime is 40039959894023. The next prime is 40039959894079. The reversal of 40039959894048 is 84049895993004.

40039959894048 is a `hidden beast` number, since 4 + 0 + 0 + 3 + 99 + 59 + 89 + 404 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 6768733 + ... + 11220323.

It is an arithmetic number, because the mean of its divisors is an integer number (1581490380288).

Almost surely, 2^{40039959894048} is an apocalyptic number.

40039959894048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40039959894048 is an abundant number, since it is smaller than the sum of its proper divisors (73827347486688).

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

40039959894048 is a wasteful number, since it uses less digits than its factorization.

40039959894048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482838 (or 4482827 counting only the distinct ones).

The product of its (nonzero) digits is 403107840, while the sum is 72.

The spelling of 40039959894048 in words is "forty trillion, thirty-nine billion, nine hundred fifty-nine million, eight hundred ninety-four thousand, forty-eight".