42072412662 has 160 divisors (see below), whose sum is σ = 111569356800. Its totient is φ = 11596037760.

The previous prime is 42072412597. The next prime is 42072412691. The reversal of 42072412662 is 26621427024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12196714 + ... + 12200162.

It is an arithmetic number, because the mean of its divisors is an integer number (697308480).

Almost surely, 2^42072412662 is an apocalyptic number.

42072412662 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42072412662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55784678400).

42072412662 is an abundant number, since it is smaller than the sum of its proper divisors (69496944138).

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

42072412662 is a wasteful number, since it uses less digits than its factorization.

42072412662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848 (or 3839 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

Adding to 42072412662 its reverse (26621427024), we get a palindrome (68693839686).

The spelling of 42072412662 in words is "forty-two billion, seventy-two million, four hundred twelve thousand, six hundred sixty-two".