445630038 has 32 divisors (see below), whose sum is σ = 1026031104. Its totient is φ = 126391872.

The previous prime is 445630021. The next prime is 445630039. The reversal of 445630038 is 830036544.

It is a super-2 number, since 2×445630038² = 397172261535762888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445629990 and 445630008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445630039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32970 + ... + 44477.

It is an arithmetic number, because the mean of its divisors is an integer number (32063472).

Almost surely, 2^445630038 is an apocalyptic number.

445630038 is an abundant number, since it is smaller than the sum of its proper divisors (580401066).

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

445630038 is a wasteful number, since it uses less digits than its factorization.

445630038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77596.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 445630038 is about 21109.9511605309. The cubic root of 445630038 is about 763.8208087833.

The spelling of 445630038 in words is "four hundred forty-five million, six hundred thirty thousand, thirty-eight".