40047485901939 has 12 divisors (see below), whose sum is σ = 58386988793016. Its totient is φ = 26448806887872.

The previous prime is 40047485901931. The next prime is 40047485901953. The reversal of 40047485901939 is 93910958474004.

40047485901939 is a `hidden beast` number, since 4 + 0 + 0 + 4 + 7 + 4 + 8 + 590 + 1 + 9 + 39 = 666.

It is not a de Polignac number, because 40047485901939 - 2³ = 40047485901931 is a prime.

It is a super-2 number, since 2×40047485901939² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40047485901931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20793086214 + ... + 20793088139.

It is an arithmetic number, because the mean of its divisors is an integer number (4865582399418).

Almost surely, 2^{40047485901939} is an apocalyptic number.

40047485901939 is a deficient number, since it is larger than the sum of its proper divisors (18339502891077).

40047485901939 is a wasteful number, since it uses less digits than its factorization.

40047485901939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41586174466 (or 41586174463 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 40047485901939 in words is "forty trillion, forty-seven billion, four hundred eighty-five million, nine hundred one thousand, nine hundred thirty-nine".