2240542542 has 64 divisors (see below), whose sum is σ = 5292288000. Its totient is φ = 632005920.

The previous prime is 2240542517. The next prime is 2240542543. The reversal of 2240542542 is 2452450422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240542543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155692 + ... + 169472.

It is an arithmetic number, because the mean of its divisors is an integer number (82692000).

Almost surely, 2^2240542542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2240542542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2646144000).

2240542542 is an abundant number, since it is smaller than the sum of its proper divisors (3051745458).

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

2240542542 is a wasteful number, since it uses less digits than its factorization.

2240542542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13886 (or 13872 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 2240542542 is about 47334.3695637747. The cubic root of 2240542542 is about 1308.5321519086.

Adding to 2240542542 its reverse (2452450422), we get a palindrome (4692992964).

The spelling of 2240542542 in words is "two billion, two hundred forty million, five hundred forty-two thousand, five hundred forty-two".