428625030 has 16 divisors (see below), whose sum is σ = 1028700144. Its totient is φ = 114300000.

The previous prime is 428625023. The next prime is 428625037. The reversal of 428625030 is 30526824.

It is an interprime number because it is at equal distance from previous prime (428625023) and next prime (428625037).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 14287501 = 428625030 / (4 + 2 + 8 + 6 + 2 + 5 + 0 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428625037) 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, 7143721 + ... + 7143780.

It is an arithmetic number, because the mean of its divisors is an integer number (64293759).

Almost surely, 2^428625030 is an apocalyptic number.

428625030 is an abundant number, since it is smaller than the sum of its proper divisors (600075114).

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

428625030 is a wasteful number, since it uses less digits than its factorization.

428625030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14287511.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 428625030 is about 20703.2613372869. The cubic root of 428625030 is about 753.9788718877.

The spelling of 428625030 in words is "four hundred twenty-eight million, six hundred twenty-five thousand, thirty".