25287550680480 has 192 divisors, whose sum is σ = 87159754999296. Its totient is φ = 6111794304000.

The previous prime is 25287550680461. The next prime is 25287550680487. The reversal of 25287550680480 is 8408605578252.

It is a happy number.

It is a super-2 number, since 2×25287550680480² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (25287550680487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5486926 + ... + 8982285.

It is an arithmetic number, because the mean of its divisors is an integer number (453957057288).

Almost surely, 2^{25287550680480} is an apocalyptic number.

25287550680480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25287550680480 is an abundant number, since it is smaller than the sum of its proper divisors (61872204318816).

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

25287550680480 is a wasteful number, since it uses less digits than its factorization.

25287550680480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14469571 (or 14469563 counting only the distinct ones).

The product of its (nonzero) digits is 43008000, while the sum is 60.

The spelling of 25287550680480 in words is "twenty-five trillion, two hundred eighty-seven billion, five hundred fifty million, six hundred eighty thousand, four hundred eighty".