40202688126 has 32 divisors (see below), whose sum is σ = 88317123840. Its totient is φ = 12143602944.

The previous prime is 40202688083. The next prime is 40202688203. The reversal of 40202688126 is 62188620204.

40202688126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40202688126² (a number of 22 digits) contains 22 as substring.

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, 7663795 + ... + 7669038.

It is an arithmetic number, because the mean of its divisors is an integer number (2759910120).

Almost surely, 2^40202688126 is an apocalyptic number.

40202688126 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40202688126 is an abundant number, since it is smaller than the sum of its proper divisors (48114435714).

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

40202688126 is a wasteful number, since it uses less digits than its factorization.

40202688126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15332880.

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 40202688126 in words is "forty billion, two hundred two million, six hundred eighty-eight thousand, one hundred twenty-six".