40205400253501 has 16 divisors (see below), whose sum is σ = 48005933488128. Its totient is φ = 32922788223600.

The previous prime is 40205400253439. The next prime is 40205400253517. The reversal of 40205400253501 is 10535200450204.

It is a cyclic number.

It is not a de Polignac number, because 40205400253501 - 2²⁹ = 40204863382589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40205400253541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153829345 + ... + 154090486.

It is an arithmetic number, because the mean of its divisors is an integer number (3000370843008).

Almost surely, 2^{40205400253501} is an apocalyptic number.

It is an amenable number.

40205400253501 is a deficient number, since it is larger than the sum of its proper divisors (7800533234627).

40205400253501 is a wasteful number, since it uses less digits than its factorization.

40205400253501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307920672.

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

The spelling of 40205400253501 in words is "forty trillion, two hundred five billion, four hundred million, two hundred fifty-three thousand, five hundred one".