42135401022 has 64 divisors (see below), whose sum is σ = 100196441856. Its totient is φ = 11644104960.

The previous prime is 42135400981. The next prime is 42135401029. The reversal of 42135401022 is 22010453124.

It is a junction number, because it is equal to n+sod(n) for n = 42135400983 and 42135401001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42135401029) 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, 224623 + ... + 367050.

It is an arithmetic number, because the mean of its divisors is an integer number (1565569404).

Almost surely, 2^42135401022 is an apocalyptic number.

42135401022 is an abundant number, since it is smaller than the sum of its proper divisors (58061040834).

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

42135401022 is a wasteful number, since it uses less digits than its factorization.

42135401022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591785.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 42135401022 its reverse (22010453124), we get a palindrome (64145854146).

The spelling of 42135401022 in words is "forty-two billion, one hundred thirty-five million, four hundred one thousand, twenty-two".