126590440142540 has 24 divisors (see below), whose sum is σ = 290007190145232. Its totient is φ = 46032887324480.

The previous prime is 126590440142521. The next prime is 126590440142549. The reversal of 126590440142540 is 45241044095621.

It is not an unprimeable number, because it can be changed into a prime (126590440142549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287705545559 + ... + 287705545998.

It is an arithmetic number, because the mean of its divisors is an integer number (12083632922718).

Almost surely, 2^{126590440142540} is an apocalyptic number.

126590440142540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126590440142540 is an abundant number, since it is smaller than the sum of its proper divisors (163416750002692).

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

126590440142540 is a wasteful number, since it uses less digits than its factorization.

126590440142540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575411091577 (or 575411091575 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 126590440142540 in words is "one hundred twenty-six trillion, five hundred ninety billion, four hundred forty million, one hundred forty-two thousand, five hundred forty".