425039740 has 12 divisors (see below), whose sum is σ = 892583496. Its totient is φ = 170015888.

The previous prime is 425039731. The next prime is 425039761. The reversal of 425039740 is 47930524.

It is a junction number, because it is equal to n+sod(n) for n = 425039696 and 425039705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10625974 + ... + 10626013.

It is an arithmetic number, because the mean of its divisors is an integer number (74381958).

Almost surely, 2^425039740 is an apocalyptic number.

It is an amenable number.

425039740 is an abundant number, since it is smaller than the sum of its proper divisors (467543756).

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

425039740 is a wasteful number, since it uses less digits than its factorization.

425039740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21251996 (or 21251994 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 425039740 is about 20616.4919421322. The cubic root of 425039740 is about 751.8707314205.

The spelling of 425039740 in words is "four hundred twenty-five million, thirty-nine thousand, seven hundred forty".