40253355121205 has 16 divisors (see below), whose sum is σ = 50404989640320. Its totient is φ = 30802085569728.

The previous prime is 40253355121153. The next prime is 40253355121241. The reversal of 40253355121205 is 50212155335204.

It is a cyclic number.

It is not a de Polignac number, because 40253355121205 - 2¹² = 40253355117109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4734386 + ... + 10145004.

It is an arithmetic number, because the mean of its divisors is an integer number (3150311852520).

Almost surely, 2^{40253355121205} is an apocalyptic number.

It is an amenable number.

40253355121205 is a deficient number, since it is larger than the sum of its proper divisors (10151634519115).

40253355121205 is a wasteful number, since it uses less digits than its factorization.

40253355121205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5475340.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 40253355121205 in words is "forty trillion, two hundred fifty-three billion, three hundred fifty-five million, one hundred twenty-one thousand, two hundred five".