40253142123564 has 48 divisors (see below), whose sum is σ = 103165947790080. Its totient is φ = 12158843843520.

The previous prime is 40253142123521. The next prime is 40253142123577. The reversal of 40253142123564 is 46532124135204.

It is an unprimeable number.

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, 3838013647 + ... + 3838024134.

It is an arithmetic number, because the mean of its divisors is an integer number (2149290578960).

Almost surely, 2^{40253142123564} is an apocalyptic number.

It is an amenable number.

40253142123564 is an abundant number, since it is smaller than the sum of its proper divisors (62912805666516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40253142123564 is a wasteful number, since it uses less digits than its factorization.

40253142123564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676037830 (or 7676037828 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 40253142123564 its reverse (46532124135204), we get a palindrome (86785266258768).

The spelling of 40253142123564 in words is "forty trillion, two hundred fifty-three billion, one hundred forty-two million, one hundred twenty-three thousand, five hundred sixty-four".