42512430540 has 24 divisors (see below), whose sum is σ = 119034805680. Its totient is φ = 11336648128.

The previous prime is 42512430539. The next prime is 42512430547. The reversal of 42512430540 is 4503421524.

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

It is a junction number, because it is equal to n+sod(n) for n = 42512430498 and 42512430507.

It is not an unprimeable number, because it can be changed into a prime (42512430547) 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, 354270195 + ... + 354270314.

It is an arithmetic number, because the mean of its divisors is an integer number (4959783570).

Almost surely, 2^42512430540 is an apocalyptic number.

It is an amenable number.

42512430540 is an abundant number, since it is smaller than the sum of its proper divisors (76522375140).

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

42512430540 is a wasteful number, since it uses less digits than its factorization.

42512430540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708540521 (or 708540519 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 42512430540 in words is "forty-two billion, five hundred twelve million, four hundred thirty thousand, five hundred forty".