445022532520 has 32 divisors (see below), whose sum is σ = 1011623394600. Its totient is φ = 176173867008.

The previous prime is 445022532419. The next prime is 445022532547. The reversal of 445022532520 is 25235220544.

It can be written as a sum of positive squares in 4 ways, for example, as 401973752196 + 43048780324 = 634014^2 + 207482^2 .

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, 57344385 + ... + 57352144.

Almost surely, 2^445022532520 is an apocalyptic number.

445022532520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445022532520 is an abundant number, since it is smaller than the sum of its proper divisors (566600862080).

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

445022532520 is a wasteful number, since it uses less digits than its factorization.

445022532520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114696637 (or 114696633 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

The spelling of 445022532520 in words is "four hundred forty-five billion, twenty-two million, five hundred thirty-two thousand, five hundred twenty".