2500000242400 has 72 divisors (see below), whose sum is σ = 6140568400344. Its totient is φ = 993865075200.

The previous prime is 2500000242373. The next prime is 2500000242409. The reversal of 2500000242400 is 42420000052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500000242409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9455491 + ... + 9716290.

It is an arithmetic number, because the mean of its divisors is an integer number (85285672227).

Almost surely, 2^{2500000242400} is an apocalyptic number.

2500000242400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500000242400 is an abundant number, since it is smaller than the sum of its proper divisors (3640568157944).

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

2500000242400 is a wasteful number, since it uses less digits than its factorization.

2500000242400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19171964 (or 19171951 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

Adding to 2500000242400 its reverse (42420000052), we get a palindrome (2542420242452).

The spelling of 2500000242400 in words is "two trillion, five hundred billion, two hundred forty-two thousand, four hundred".