42056120460 has 24 divisors (see below), whose sum is σ = 117757137456. Its totient is φ = 11214965440.

The previous prime is 42056120423. The next prime is 42056120461. The reversal of 42056120460 is 6402165024.

It is a super-2 number, since 2×42056120460² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (42056120461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350467611 + ... + 350467730.

It is an arithmetic number, because the mean of its divisors is an integer number (4906547394).

Almost surely, 2^42056120460 is an apocalyptic number.

It is an amenable number.

42056120460 is an abundant number, since it is smaller than the sum of its proper divisors (75701016996).

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

42056120460 is a wasteful number, since it uses less digits than its factorization.

42056120460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700935353 (or 700935351 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 42056120460 its reverse (6402165024), we get a palindrome (48458285484).

The spelling of 42056120460 in words is "forty-two billion, fifty-six million, one hundred twenty thousand, four hundred sixty".