40208478724146 has 32 divisors (see below), whose sum is σ = 81273421914048. Its totient is φ = 13260175441920.

The previous prime is 40208478724129. The next prime is 40208478724157. The reversal of 40208478724146 is 64142787480204.

It is a super-2 number, since 2×40208478724146² (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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9933775 + ... + 13382706.

It is an arithmetic number, because the mean of its divisors is an integer number (2539794434814).

Almost surely, 2^{40208478724146} is an apocalyptic number.

40208478724146 is an abundant number, since it is smaller than the sum of its proper divisors (41064943189902).

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

40208478724146 is a wasteful number, since it uses less digits than its factorization.

40208478724146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23319546.

The product of its (nonzero) digits is 19267584, while the sum is 57.

The spelling of 40208478724146 in words is "forty trillion, two hundred eight billion, four hundred seventy-eight million, seven hundred twenty-four thousand, one hundred forty-six".