2524452121542 has 144 divisors (see below), whose sum is σ = 5541374453760. Its totient is φ = 766335286080.

The previous prime is 2524452121537. The next prime is 2524452121559. The reversal of 2524452121542 is 2451212544252.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2524452121542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4158899403 + ... + 4158900009.

It is an arithmetic number, because the mean of its divisors is an integer number (38481767040).

Almost surely, 2^{2524452121542} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2524452121542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2770687226880).

2524452121542 is an abundant number, since it is smaller than the sum of its proper divisors (3016922332218).

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

2524452121542 is a wasteful number, since it uses less digits than its factorization.

2524452121542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 995 counting only the distinct ones).

The product of its digits is 256000, while the sum is 39.

Adding to 2524452121542 its reverse (2451212544252), we get a palindrome (4975664665794).

The spelling of 2524452121542 in words is "two trillion, five hundred twenty-four billion, four hundred fifty-two million, one hundred twenty-one thousand, five hundred forty-two".