445827940 has 24 divisors (see below), whose sum is σ = 944528760. Its totient is φ = 176752128.

The previous prime is 445827937. The next prime is 445827959. The reversal of 445827940 is 49728544.

It can be written as a sum of positive squares in 4 ways, for example, as 13853284 + 431974656 = 3722^2 + 20784^2 .

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, 96375 + ... + 100894.

It is an arithmetic number, because the mean of its divisors is an integer number (39355365).

Almost surely, 2^445827940 is an apocalyptic number.

It is an amenable number.

445827940 is an abundant number, since it is smaller than the sum of its proper divisors (498700820).

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

445827940 is a wasteful number, since it uses less digits than its factorization.

445827940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197391 (or 197389 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 445827940 is about 21114.6380504142. The cubic root of 445827940 is about 763.9338616760.

The spelling of 445827940 in words is "four hundred forty-five million, eight hundred twenty-seven thousand, nine hundred forty".