7825261488 has 40 divisors (see below), whose sum is σ = 22053011136. Its totient is φ = 2371291200.

The previous prime is 7825261481. The next prime is 7825261529. The reversal of 7825261488 is 8841625287.

It is a super-2 number, since 2×7825261488² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7825261488.

It is not an unprimeable number, because it can be changed into a prime (7825261481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7409758 + ... + 7410813.

Almost surely, 2^7825261488 is an apocalyptic number.

It is an amenable number.

7825261488 is an abundant number, since it is smaller than the sum of its proper divisors (14227749648).

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

7825261488 is a wasteful number, since it uses less digits than its factorization.

7825261488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14820593 (or 14820587 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The square root of 7825261488 is about 88460.5080699857. The cubic root of 7825261488 is about 1985.3311325288.

The spelling of 7825261488 in words is "seven billion, eight hundred twenty-five million, two hundred sixty-one thousand, four hundred eighty-eight".