40261327961904 has 120 divisors (see below), whose sum is σ = 128773772049312. Its totient is φ = 11503108869120.

The previous prime is 40261327961873. The next prime is 40261327961923. The reversal of 40261327961904 is 40916972316204.

40261327961904 is a `hidden beast` number, since 4 + 0 + 2 + 6 + 13 + 2 + 7 + 9 + 619 + 0 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126600214 + ... + 126917834.

Almost surely, 2^{40261327961904} is an apocalyptic number.

It is an amenable number.

40261327961904 is an abundant number, since it is smaller than the sum of its proper divisors (88512444087408).

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

40261327961904 is a wasteful number, since it uses less digits than its factorization.

40261327961904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443395 (or 443386 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 40261327961904 in words is "forty trillion, two hundred sixty-one billion, three hundred twenty-seven million, nine hundred sixty-one thousand, nine hundred four".