425400116526 has 96 divisors (see below), whose sum is σ = 1151392320000. Its totient is φ = 110276274240.

The previous prime is 425400116521. The next prime is 425400116579. The reversal of 425400116526 is 625611004524.

425400116526 is a `hidden beast` number, since 42 + 540 + 0 + 11 + 65 + 2 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425400116521) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 403975 + ... + 1006973.

It is an arithmetic number, because the mean of its divisors is an integer number (11993670000).

Almost surely, 2^425400116526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425400116526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575696160000).

425400116526 is an abundant number, since it is smaller than the sum of its proper divisors (725992203474).

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

425400116526 is a wasteful number, since it uses less digits than its factorization.

425400116526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603534 (or 603531 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 425400116526 in words is "four hundred twenty-five billion, four hundred million, one hundred sixteen thousand, five hundred twenty-six".