40240012403205 has 24 divisors (see below), whose sum is σ = 71371432855008. Its totient is φ = 20962239018336.

The previous prime is 40240012403137. The next prime is 40240012403231. The reversal of 40240012403205 is 50230421004204.

40240012403205 is a `hidden beast` number, since 4 + 0 + 2 + 40 + 0 + 12 + 403 + 205 = 666.

It is not a de Polignac number, because 40240012403205 - 2⁷ = 40240012403077 is a prime.

It is a congruent number.

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, 10397934087 + ... + 10397937956.

It is an arithmetic number, because the mean of its divisors is an integer number (2973809702292).

Almost surely, 2^{40240012403205} is an apocalyptic number.

40240012403205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40240012403205 is a deficient number, since it is larger than the sum of its proper divisors (31131420451803).

40240012403205 is a wasteful number, since it uses less digits than its factorization.

40240012403205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20795872097 (or 20795872094 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 40240012403205 its reverse (50230421004204), we get a palindrome (90470433407409).

The spelling of 40240012403205 in words is "forty trillion, two hundred forty billion, twelve million, four hundred three thousand, two hundred five".