5725448640 has 168 divisors, whose sum is σ = 19885383648. Its totient is φ = 1511884800.

The previous prime is 5725448639. The next prime is 5725448689. The reversal of 5725448640 is 468445275.

It is a super-3 number, since 3×5725448640³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286990 + ... + 306290.

Almost surely, 2^5725448640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5725448640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9942691824).

5725448640 is an abundant number, since it is smaller than the sum of its proper divisors (14159935008).

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

5725448640 is a wasteful number, since it uses less digits than its factorization.

5725448640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19427 (or 19414 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The square root of 5725448640 is about 75666.6943905970. The cubic root of 5725448640 is about 1788.9704804648.

The spelling of 5725448640 in words is "five billion, seven hundred twenty-five million, four hundred forty-eight thousand, six hundred forty".