425004624 has 160 divisors (see below), whose sum is σ = 1409374080. Its totient is φ = 121190400.

The previous prime is 425004623. The next prime is 425004631. The reversal of 425004624 is 426400524.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425004623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78154 + ... + 83414.

It is an arithmetic number, because the mean of its divisors is an integer number (8808588).

Almost surely, 2^425004624 is an apocalyptic number.

425004624 is a gapful number since it is divisible by the number (44) 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 425004624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704687040).

425004624 is an abundant number, since it is smaller than the sum of its proper divisors (984369456).

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

425004624 is a wasteful number, since it uses less digits than its factorization.

425004624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306 (or 5294 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 425004624 is about 20615.6402762563. The cubic root of 425004624 is about 751.8500247921.

It can be divided in two parts, 4250046 and 24, that added together give a triangular number (4250070 = T₂₉₁₅).

The spelling of 425004624 in words is "four hundred twenty-five million, four thousand, six hundred twenty-four".