5265720440 has 32 divisors (see below), whose sum is σ = 11853002160. Its totient is φ = 2105376000.

The previous prime is 5265720433. The next prime is 5265720457. The reversal of 5265720440 is 440275625.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5265720440.

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, 69140 + ... + 123740.

Almost surely, 2^5265720440 is an apocalyptic number.

It is an amenable number.

5265720440 is an abundant number, since it is smaller than the sum of its proper divisors (6587281720).

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

5265720440 is a wasteful number, since it uses less digits than its factorization.

5265720440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57023 (or 57019 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 5265720440 is about 72565.2839862148. The cubic root of 5265720440 is about 1739.7463451972.

The spelling of 5265720440 in words is "five billion, two hundred sixty-five million, seven hundred twenty thousand, four hundred forty".