428325745156 has 27 divisors (see below), whose sum is σ = 796297446399. Its totient is φ = 201554585088.

The previous prime is 428325745103. The next prime is 428325745171. The reversal of 428325745156 is 651547523824.

The square root of 428325745156 is 654466.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 142725284100 + 285600461056 = 377790^2 + 534416^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22242220 + ... + 22261468.

Almost surely, 2^428325745156 is an apocalyptic number.

428325745156 is the 654466-th square number.

It is an amenable number.

428325745156 is a deficient number, since it is larger than the sum of its proper divisors (367971701243).

428325745156 is an frugal number, since it uses more digits than its factorization.

428325745156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38536 (or 19268 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 52.

The spelling of 428325745156 in words is "four hundred twenty-eight billion, three hundred twenty-five million, seven hundred forty-five thousand, one hundred fifty-six".