42110311520 has 24 divisors (see below), whose sum is σ = 99485611344. Its totient is φ = 16844124544.

The previous prime is 42110311511. The next prime is 42110311589. The reversal of 42110311520 is 2511301124.

42110311520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42110311520² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 42110311492 and 42110311501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131594564 + ... + 131594883.

It is an arithmetic number, because the mean of its divisors is an integer number (4145233806).

Almost surely, 2^42110311520 is an apocalyptic number.

42110311520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42110311520 is an abundant number, since it is smaller than the sum of its proper divisors (57375299824).

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

42110311520 is a wasteful number, since it uses less digits than its factorization.

42110311520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263189462 (or 263189454 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 42110311520 its reverse (2511301124), we get a palindrome (44621612644).

The spelling of 42110311520 in words is "forty-two billion, one hundred ten million, three hundred eleven thousand, five hundred twenty".