42503061504 has 120 divisors (see below), whose sum is σ = 116406209248. Its totient is φ = 13784186880.

The previous prime is 42503061463. The next prime is 42503061539. The reversal of 42503061504 is 40516030524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806939 + ... + 1830309.

Almost surely, 2^42503061504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42503061504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58203104624).

42503061504 is an abundant number, since it is smaller than the sum of its proper divisors (73903147744).

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

42503061504 is an equidigital number, since it uses as much as digits as its factorization.

42503061504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23439 (or 23413 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 42503061504 in words is "forty-two billion, five hundred three million, sixty-one thousand, five hundred four".