40505052453 has 16 divisors (see below), whose sum is σ = 54135697920. Its totient is φ = 26938948464.

The previous prime is 40505052449. The next prime is 40505052527. The reversal of 40505052453 is 35425050504.

It is not a de Polignac number, because 40505052453 - 2² = 40505052449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40505052353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3167250 + ... + 3180012.

It is an arithmetic number, because the mean of its divisors is an integer number (3383481120).

Almost surely, 2^40505052453 is an apocalyptic number.

It is an amenable number.

40505052453 is a deficient number, since it is larger than the sum of its proper divisors (13630645467).

40505052453 is a wasteful number, since it uses less digits than its factorization.

40505052453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15208.

The product of its (nonzero) digits is 60000, while the sum is 33.

The spelling of 40505052453 in words is "forty billion, five hundred five million, fifty-two thousand, four hundred fifty-three".