25000352315040 has 384 divisors, whose sum is σ = 80225187581952. Its totient is φ = 6542892195840.

The previous prime is 25000352315027. The next prime is 25000352315047. The reversal of 25000352315040 is 4051325300052.

It is a super-2 number, since 2×25000352315040² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 25000352314989 and 25000352315007.

It is not an unprimeable number, because it can be changed into a prime (25000352315047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11979084877 + ... + 11979086963.

It is an arithmetic number, because the mean of its divisors is an integer number (208919759328).

Almost surely, 2^{25000352315040} is an apocalyptic number.

25000352315040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25000352315040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40112593790976).

25000352315040 is an abundant number, since it is smaller than the sum of its proper divisors (55224835266912).

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

25000352315040 is a wasteful number, since it uses less digits than its factorization.

25000352315040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612 (or 3604 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 25000352315040 its reverse (4051325300052), we get a palindrome (29051677615092).

The spelling of 25000352315040 in words is "twenty-five trillion, three hundred fifty-two million, three hundred fifteen thousand, forty".