402270328 has 32 divisors (see below), whose sum is σ = 761538960. Its totient is φ = 199203840.

The previous prime is 402270307. The next prime is 402270343. The reversal of 402270328 is 823072204.

It is a junction number, because it is equal to n+sod(n) for n = 402270296 and 402270305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510751 + ... + 511537.

Almost surely, 2^402270328 is an apocalyptic number.

It is an amenable number.

402270328 is a deficient number, since it is larger than the sum of its proper divisors (359268632).

402270328 is a wasteful number, since it uses less digits than its factorization.

402270328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 402270328 is about 20056.6778904184. The cubic root of 402270328 is about 738.1976639719.

The spelling of 402270328 in words is "four hundred two million, two hundred seventy thousand, three hundred twenty-eight".