445801428 has 24 divisors (see below), whose sum is σ = 1155781760. Its totient is φ = 148600440.

The previous prime is 445801423. The next prime is 445801429. The reversal of 445801428 is 824108544.

445801428 is a `hidden beast` number, since 44 + 580 + 14 + 28 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 445801392 and 445801401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445801423) 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, 2063788 + ... + 2064003.

Almost surely, 2^445801428 is an apocalyptic number.

It is an amenable number.

445801428 is an abundant number, since it is smaller than the sum of its proper divisors (709980332).

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

445801428 is a wasteful number, since it uses less digits than its factorization.

445801428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127804 (or 4127796 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 445801428 is about 21114.0102301765. The cubic root of 445801428 is about 763.9187184528.

The spelling of 445801428 in words is "four hundred forty-five million, eight hundred one thousand, four hundred twenty-eight".