402553426740126 has 32 divisors (see below), whose sum is σ = 820334956377888. Its totient is φ = 131646689341440.

The previous prime is 402553426740109. The next prime is 402553426740139. The reversal of 402553426740126 is 621047624355204.

It is a super-3 number, since 3×402553426740126³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 21876915 + ... + 35828846.

It is an arithmetic number, because the mean of its divisors is an integer number (25635467386809).

Almost surely, 2^{402553426740126} is an apocalyptic number.

402553426740126 is an abundant number, since it is smaller than the sum of its proper divisors (417781529637762).

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

402553426740126 is a wasteful number, since it uses less digits than its factorization.

402553426740126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57727756.

The product of its (nonzero) digits is 9676800, while the sum is 51.

The spelling of 402553426740126 in words is "four hundred two trillion, five hundred fifty-three billion, four hundred twenty-six million, seven hundred forty thousand, one hundred twenty-six".