42496730520 has 128 divisors (see below), whose sum is σ = 129587523840. Its totient is φ = 11146544640.

The previous prime is 42496730503. The next prime is 42496730533. The reversal of 42496730520 is 2503769424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5889715 + ... + 5896925.

It is an arithmetic number, because the mean of its divisors is an integer number (1012402530).

Almost surely, 2^42496730520 is an apocalyptic number.

42496730520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42496730520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64793761920).

42496730520 is an abundant number, since it is smaller than the sum of its proper divisors (87090793320).

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

42496730520 is a wasteful number, since it uses less digits than its factorization.

42496730520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025 (or 8021 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 42496730520 in words is "forty-two billion, four hundred ninety-six million, seven hundred thirty thousand, five hundred twenty".