428051370 has 16 divisors (see below), whose sum is σ = 1027323360. Its totient is φ = 114147024.

The previous prime is 428051363. The next prime is 428051383. The reversal of 428051370 is 73150824.

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: 14268379 = 428051370 / (4 + 2 + 8 + 0 + 5 + 1 + 3 + 7 + 0).

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, 7134160 + ... + 7134219.

It is an arithmetic number, because the mean of its divisors is an integer number (64207710).

Almost surely, 2^428051370 is an apocalyptic number.

428051370 is an abundant number, since it is smaller than the sum of its proper divisors (599271990).

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

428051370 is a wasteful number, since it uses less digits than its factorization.

428051370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14268389.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 428051370 is about 20689.4023596623. The cubic root of 428051370 is about 753.6423534905.

The spelling of 428051370 in words is "four hundred twenty-eight million, fifty-one thousand, three hundred seventy".