25253644350030 has 16 divisors (see below), whose sum is σ = 60608746440144. Its totient is φ = 6734305160000.

The previous prime is 25253644350017. The next prime is 25253644350073. The reversal of 25253644350030 is 3005344635252.

It is a super-2 number, since 2×25253644350030² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420894072471 + ... + 420894072530.

It is an arithmetic number, because the mean of its divisors is an integer number (3788046652509).

Almost surely, 2^{25253644350030} is an apocalyptic number.

25253644350030 is an abundant number, since it is smaller than the sum of its proper divisors (35355102090114).

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

25253644350030 is a wasteful number, since it uses less digits than its factorization.

25253644350030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841788145011.

The product of its (nonzero) digits is 1296000, while the sum is 42.

Adding to 25253644350030 its reverse (3005344635252), we get a palindrome (28258988985282).

The spelling of 25253644350030 in words is "twenty-five trillion, two hundred fifty-three billion, six hundred forty-four million, three hundred fifty thousand, thirty".