425615740 has 96 divisors (see below), whose sum is σ = 1065996288. Its totient is φ = 140928000.

The previous prime is 425615737. The next prime is 425615747. The reversal of 425615740 is 47516524.

It is a super-2 number, since 2×425615740² = 362297516271495200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 425615696 and 425615705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425615747) 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, 114105 + ... + 117775.

It is an arithmetic number, because the mean of its divisors is an integer number (11104128).

Almost surely, 2^425615740 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 425615740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532998144).

425615740 is an abundant number, since it is smaller than the sum of its proper divisors (640380548).

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

425615740 is a wasteful number, since it uses less digits than its factorization.

425615740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739 (or 3737 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 425615740 is about 20630.4566115246. The cubic root of 425615740 is about 752.2102150160.

The spelling of 425615740 in words is "four hundred twenty-five million, six hundred fifteen thousand, seven hundred forty".