428272480 has 48 divisors (see below), whose sum is σ = 1013765760. Its totient is φ = 170975232.

The previous prime is 428272459. The next prime is 428272487. The reversal of 428272480 is 84272824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428272487) 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, 90001 + ... + 94639.

It is an arithmetic number, because the mean of its divisors is an integer number (21120120).

Almost surely, 2^428272480 is an apocalyptic number.

428272480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

428272480 is an abundant number, since it is smaller than the sum of its proper divisors (585493280).

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

428272480 is a wasteful number, since it uses less digits than its factorization.

428272480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231 (or 5223 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 428272480 is about 20694.7452267478. The cubic root of 428272480 is about 753.7720958442.

The spelling of 428272480 in words is "four hundred twenty-eight million, two hundred seventy-two thousand, four hundred eighty".