5261325040 has 40 divisors (see below), whose sum is σ = 12267897840. Its totient is φ = 2098454016.

The previous prime is 5261325031. The next prime is 5261325061. The reversal of 5261325040 is 405231625.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67005 + ... + 122524.

It is an arithmetic number, because the mean of its divisors is an integer number (306697446).

Almost surely, 2^5261325040 is an apocalyptic number.

It is an amenable number.

5261325040 is an abundant number, since it is smaller than the sum of its proper divisors (7006572800).

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

5261325040 is a wasteful number, since it uses less digits than its factorization.

5261325040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189889 (or 189883 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 5261325040 is about 72534.9918315291. The cubic root of 5261325040 is about 1739.2621436635.

Adding to 5261325040 its reverse (405231625), we get a palindrome (5666556665).

The spelling of 5261325040 in words is "five billion, two hundred sixty-one million, three hundred twenty-five thousand, forty".