425156004 has 216 divisors, whose sum is σ = 1358884800. Its totient is φ = 109714176.

The previous prime is 425156003. The next prime is 425156021. The reversal of 425156004 is 400651524.

425156004 is a `hidden beast` number, since 4 + 2 + 51 + 5 + 600 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (425156003) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2853322 + ... + 2853470.

Almost surely, 2^425156004 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 425156004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679442400).

425156004 is an abundant number, since it is smaller than the sum of its proper divisors (933728796).

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

425156004 is a wasteful number, since it uses less digits than its factorization.

425156004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 425156004 is about 20619.3114337021. The cubic root of 425156004 is about 751.9392799358.

The spelling of 425156004 in words is "four hundred twenty-five million, one hundred fifty-six thousand, four".