5240010042 has 80 divisors (see below), whose sum is σ = 12349573632. Its totient is φ = 1658348640.

The previous prime is 5240010031. The next prime is 5240010047. The reversal of 5240010042 is 2400100425.

5240010042 is a `hidden beast` number, since 524 + 0 + 0 + 100 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 5240009997 and 5240010024.

It is not an unprimeable number, because it can be changed into a prime (5240010047) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 256323 + ... + 276009.

Almost surely, 2^5240010042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5240010042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6174786816).

5240010042 is an abundant number, since it is smaller than the sum of its proper divisors (7109563590).

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

5240010042 is a wasteful number, since it uses less digits than its factorization.

5240010042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19785 (or 19776 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 5240010042 is about 72387.9136458567. The cubic root of 5240010042 is about 1736.9102300873.

Adding to 5240010042 its reverse (2400100425), we get a palindrome (7640110467).

The spelling of 5240010042 in words is "five billion, two hundred forty million, ten thousand, forty-two".