425187406980 has 1152 divisors, whose sum is σ = 1705615833600. Its totient is φ = 87286284288.

The previous prime is 425187406979. The next prime is 425187406999. The reversal of 425187406980 is 89604781524.

It is a happy number.

425187406980 is a `hidden beast` number, since 4 + 2 + 518 + 7 + 40 + 6 + 9 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 981956844 + ... + 981957276.

It is an arithmetic number, because the mean of its divisors is an integer number (1480569300).

Almost surely, 2^425187406980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425187406980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852807916800).

425187406980 is an abundant number, since it is smaller than the sum of its proper divisors (1280428426620).

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

425187406980 is a wasteful number, since it uses less digits than its factorization.

425187406980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 425187406980 in words is "four hundred twenty-five billion, one hundred eighty-seven million, four hundred six thousand, nine hundred eighty".