2421242552526 has 64 divisors (see below), whose sum is σ = 5826281356800. Its totient is φ = 655291195776.

The previous prime is 2421242552513. The next prime is 2421242552579. The reversal of 2421242552526 is 6252552421242.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 6270760 + ... + 6645668.

It is an arithmetic number, because the mean of its divisors is an integer number (91035646200).

Almost surely, 2^{2421242552526} is an apocalyptic number.

2421242552526 is an abundant number, since it is smaller than the sum of its proper divisors (3405038804274).

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

2421242552526 is a wasteful number, since it uses less digits than its factorization.

2421242552526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383033.

The product of its digits is 768000, while the sum is 42.

Adding to 2421242552526 its reverse (6252552421242), we get a palindrome (8673794973768).

The spelling of 2421242552526 in words is "two trillion, four hundred twenty-one billion, two hundred forty-two million, five hundred fifty-two thousand, five hundred twenty-six".