425446330 has 16 divisors (see below), whose sum is σ = 778358664. Its totient is φ = 167388480.

The previous prime is 425446321. The next prime is 425446337. The reversal of 425446330 is 33644524.

It can be written as a sum of positive squares in 4 ways, for example, as 165559689 + 259886641 = 12867^2 + 16121^2 .

It is a junction number, because it is equal to n+sod(n) for n = 425446292 and 425446301.

It is not an unprimeable number, because it can be changed into a prime (425446337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348117 + ... + 349336.

Almost surely, 2^425446330 is an apocalyptic number.

425446330 is a deficient number, since it is larger than the sum of its proper divisors (352912334).

425446330 is a wasteful number, since it uses less digits than its factorization.

425446330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697521.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 425446330 is about 20626.3503800357. The cubic root of 425446330 is about 752.1103997510.

The spelling of 425446330 in words is "four hundred twenty-five million, four hundred forty-six thousand, three hundred thirty".