2638425087225 has 240 divisors, whose sum is σ = 5247606988800. Its totient is φ = 1306520565120.

The previous prime is 2638425087169. The next prime is 2638425087227. The reversal of 2638425087225 is 5227805248362.

2638425087225 is a `hidden beast` number, since 2 + 6 + 3 + 8 + 42 + 508 + 72 + 25 = 666.

It is not a de Polignac number, because 2638425087225 - 2⁶ = 2638425087161 is a prime.

It is a super-2 number, since 2×2638425087225² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2638425087227) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 833097592 + ... + 833100758.

It is an arithmetic number, because the mean of its divisors is an integer number (21865029120).

Almost surely, 2^{2638425087225} is an apocalyptic number.

2638425087225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2638425087225 is a deficient number, since it is larger than the sum of its proper divisors (2609181901575).

2638425087225 is a wasteful number, since it uses less digits than its factorization.

2638425087225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634 (or 3620 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 54.

The spelling of 2638425087225 in words is "two trillion, six hundred thirty-eight billion, four hundred twenty-five million, eighty-seven thousand, two hundred twenty-five".