40255640050 has 24 divisors (see below), whose sum is σ = 74919770676. Its totient is φ = 16092733440.

The previous prime is 40255640041. The next prime is 40255640123. The reversal of 40255640050 is 5004655204.

It can be written as a sum of positive squares in 6 ways, for example, as 37028150329 + 3227489721 = 192427^2 + 56811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40255639994 and 40255640021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152367 + ... + 322066.

Almost surely, 2^40255640050 is an apocalyptic number.

40255640050 is a deficient number, since it is larger than the sum of its proper divisors (34664130626).

40255640050 is a wasteful number, since it uses less digits than its factorization.

40255640050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476142 (or 476137 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 40255640050 in words is "forty billion, two hundred fifty-five million, six hundred forty thousand, fifty".