425004270840 has 128 divisors (see below), whose sum is σ = 1418704372800. Its totient is φ = 113172595200.

The previous prime is 425004270833. The next prime is 425004270851. The reversal of 425004270840 is 48072400524.

425004270840 is a `hidden beast` number, since 4 + 2 + 500 + 4 + 2 + 70 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 425004270795 and 425004270804.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 476394 + ... + 1037766.

Almost surely, 2^425004270840 is an apocalyptic number.

425004270840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425004270840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709352186400).

425004270840 is an abundant number, since it is smaller than the sum of its proper divisors (993700101960).

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

425004270840 is a wasteful number, since it uses less digits than its factorization.

425004270840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562094 (or 562084 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The spelling of 425004270840 in words is "four hundred twenty-five billion, four million, two hundred seventy thousand, eight hundred forty".