42440002002420 has 96 divisors (see below), whose sum is σ = 129711489747840. Its totient is φ = 10282407989760.

The previous prime is 42440002002371. The next prime is 42440002002427. The reversal of 42440002002420 is 2420020004424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42440002002427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17873475 + ... + 20108234.

It is an arithmetic number, because the mean of its divisors is an integer number (1351161351540).

Almost surely, 2^{42440002002420} is an apocalyptic number.

It is an amenable number.

42440002002420 is an abundant number, since it is smaller than the sum of its proper divisors (87271487745420).

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

42440002002420 is a wasteful number, since it uses less digits than its factorization.

42440002002420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37983425 (or 37983423 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 42440002002420 its reverse (2420020004424), we get a palindrome (44860022006844).

The spelling of 42440002002420 in words is "forty-two trillion, four hundred forty billion, two million, two thousand, four hundred twenty".