42213042320 has 80 divisors (see below), whose sum is σ = 99075944448. Its totient is φ = 16725542400.

The previous prime is 42213042301. The next prime is 42213042371. The reversal of 42213042320 is 2324031224.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×42213042320² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7119197 + ... + 7125123.

Almost surely, 2^42213042320 is an apocalyptic number.

42213042320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42213042320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49537972224).

42213042320 is an abundant number, since it is smaller than the sum of its proper divisors (56862902128).

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

42213042320 is a wasteful number, since it uses less digits than its factorization.

42213042320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6768 (or 6762 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 42213042320 its reverse (2324031224), we get a palindrome (44537073544).

The spelling of 42213042320 in words is "forty-two billion, two hundred thirteen million, forty-two thousand, three hundred twenty".