445902053898 has 16 divisors (see below), whose sum is σ = 1019204694720. Its totient is φ = 127400586816.

The previous prime is 445902053887. The next prime is 445902053899. The reversal of 445902053898 is 898350209544.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (445902053899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5308357743 + ... + 5308357826.

It is an arithmetic number, because the mean of its divisors is an integer number (63700293420).

Almost surely, 2^445902053898 is an apocalyptic number.

445902053898 is an abundant number, since it is smaller than the sum of its proper divisors (573302640822).

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

445902053898 is a wasteful number, since it uses less digits than its factorization.

445902053898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10616715581.

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 445902053898 in words is "four hundred forty-five billion, nine hundred two million, fifty-three thousand, eight hundred ninety-eight".