42061301252 has 24 divisors (see below), whose sum is σ = 74000685024. Its totient is φ = 20918422592.

The previous prime is 42061301251. The next prime is 42061301263. The reversal of 42061301252 is 25210316024.

It is a happy number.

It is a super-2 number, since 2×42061301252² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42061301251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974963 + ... + 1017189.

It is an arithmetic number, because the mean of its divisors is an integer number (3083361876).

Almost surely, 2^42061301252 is an apocalyptic number.

It is an amenable number.

42061301252 is a deficient number, since it is larger than the sum of its proper divisors (31939383772).

42061301252 is a wasteful number, since it uses less digits than its factorization.

42061301252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43555 (or 43553 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 42061301252 its reverse (25210316024), we get a palindrome (67271617276).

The spelling of 42061301252 in words is "forty-two billion, sixty-one million, three hundred one thousand, two hundred fifty-two".