445020043550 has 24 divisors (see below), whose sum is σ = 841306750392. Its totient is φ = 175089852000.

The previous prime is 445020043549. The next prime is 445020043553. The reversal of 445020043550 is 55340020544.

It is a super-2 number, since 2×445020043550² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445020043553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72951056 + ... + 72957155.

It is an arithmetic number, because the mean of its divisors is an integer number (35054447933).

Almost surely, 2^445020043550 is an apocalyptic number.

445020043550 is a deficient number, since it is larger than the sum of its proper divisors (396286706842).

445020043550 is a wasteful number, since it uses less digits than its factorization.

445020043550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145908284 (or 145908279 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 445020043550 in words is "four hundred forty-five billion, twenty million, forty-three thousand, five hundred fifty".