42041421402 has 16 divisors (see below), whose sum is σ = 86133644352. Its totient is φ = 13672006880.

The previous prime is 42041421371. The next prime is 42041421403. The reversal of 42041421402 is 20412414024.

It is a super-2 number, since 2×42041421402² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42041421403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85449798 + ... + 85450289.

It is an arithmetic number, because the mean of its divisors is an integer number (5383352772).

Almost surely, 2^42041421402 is an apocalyptic number.

42041421402 is an abundant number, since it is smaller than the sum of its proper divisors (44092222950).

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

42041421402 is a wasteful number, since it uses less digits than its factorization.

42041421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170900133.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 42041421402 its reverse (20412414024), we get a palindrome (62453835426).

The spelling of 42041421402 in words is "forty-two billion, forty-one million, four hundred twenty-one thousand, four hundred two".