445520021403532 has 24 divisors (see below), whose sum is σ = 798682594630032. Its totient is φ = 217325082240000.

The previous prime is 445520021403521. The next prime is 445520021403647. The reversal of 445520021403532 is 235304120025544.

It is a super-2 number, since 2×445520021403532² (a number of 30 digits) contains 22 as substring.

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, 9473532 + ... + 31317532.

It is an arithmetic number, because the mean of its divisors is an integer number (33278441442918).

Almost surely, 2^{445520021403532} is an apocalyptic number.

It is an amenable number.

445520021403532 is a deficient number, since it is larger than the sum of its proper divisors (353162573226500).

445520021403532 is a wasteful number, since it uses less digits than its factorization.

445520021403532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21968409 (or 21968407 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 445520021403532 in words is "four hundred forty-five trillion, five hundred twenty billion, twenty-one million, four hundred three thousand, five hundred thirty-two".