425426638782 has 32 divisors (see below), whose sum is σ = 861163446528. Its totient is φ = 140090752256.

The previous prime is 425426638781. The next prime is 425426638799. The reversal of 425426638782 is 287836624524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425426638781) 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 15 ways as a sum of consecutive naturals, for example, 14503543 + ... + 14532845.

It is an arithmetic number, because the mean of its divisors is an integer number (26911357704).

Almost surely, 2^425426638782 is an apocalyptic number.

425426638782 is an abundant number, since it is smaller than the sum of its proper divisors (435736807746).

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

425426638782 is a wasteful number, since it uses less digits than its factorization.

425426638782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58544.

The product of its digits is 30965760, while the sum is 57.

The spelling of 425426638782 in words is "four hundred twenty-five billion, four hundred twenty-six million, six hundred thirty-eight thousand, seven hundred eighty-two".