428610793250 has 16 divisors (see below), whose sum is σ = 802359405432. Its totient is φ = 171444317200.

The previous prime is 428610793249. The next prime is 428610793271. The reversal of 428610793250 is 52397016824.

It can be written as a sum of positive squares in 4 ways, for example, as 177115564201 + 251495229049 = 420851^2 + 501493^2 .

It is a junction number, because it is equal to n+sod(n) for n = 428610793195 and 428610793204.

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, 857221337 + ... + 857221836.

It is a 1-persistent number, because it is pandigital, but 2⋅428610793250 = 857221586500 is not.

Almost surely, 2^428610793250 is an apocalyptic number.

428610793250 is a deficient number, since it is larger than the sum of its proper divisors (373748612182).

428610793250 is a wasteful number, since it uses less digits than its factorization.

428610793250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714443190 (or 1714443180 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 428610793250 in words is "four hundred twenty-eight billion, six hundred ten million, seven hundred ninety-three thousand, two hundred fifty".