40508540253 has 24 divisors (see below), whose sum is σ = 61961889600. Its totient is φ = 25413984384.

The previous prime is 40508540231. The next prime is 40508540273. The reversal of 40508540253 is 35204580504.

40508540253 is a `hidden beast` number, since 40 + 50 + 8 + 540 + 25 + 3 = 666.

It is not a de Polignac number, because 40508540253 - 2⁵ = 40508540221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40508540273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2249158 + ... + 2267096.

It is an arithmetic number, because the mean of its divisors is an integer number (2581745400).

Almost surely, 2^40508540253 is an apocalyptic number.

It is an amenable number.

40508540253 is a deficient number, since it is larger than the sum of its proper divisors (21453349347).

40508540253 is a wasteful number, since it uses less digits than its factorization.

40508540253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32721 (or 32718 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 40508540253 in words is "forty billion, five hundred eight million, five hundred forty thousand, two hundred fifty-three".