40442013213020 has 24 divisors (see below), whose sum is σ = 85031421254304. Its totient is φ = 16157149379136.

The previous prime is 40442013212999. The next prime is 40442013213227. The reversal of 40442013213020 is 2031231024404.

It is a congruent number.

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, 1228477259 + ... + 1228510178.

It is an arithmetic number, because the mean of its divisors is an integer number (3542975885596).

Almost surely, 2^{40442013213020} is an apocalyptic number.

It is an amenable number.

40442013213020 is an abundant number, since it is smaller than the sum of its proper divisors (44589408041284).

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

40442013213020 is a wasteful number, since it uses less digits than its factorization.

40442013213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456988269 (or 2456988267 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40442013213020 its reverse (2031231024404), we get a palindrome (42473244237424).

The spelling of 40442013213020 in words is "forty trillion, four hundred forty-two billion, thirteen million, two hundred thirteen thousand, twenty".