5125437440 has 96 divisors (see below), whose sum is σ = 13021903440. Its totient is φ = 1929510912.

The previous prime is 5125437437. The next prime is 5125437463. The reversal of 5125437440 is 447345215.

It is a self number, because there is not a number n which added to its sum of digits gives 5125437440.

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, 159359 + ... + 188801.

Almost surely, 2^5125437440 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 5125437440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6510951720).

5125437440 is an abundant number, since it is smaller than the sum of its proper divisors (7896466000).

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

5125437440 is a wasteful number, since it uses less digits than its factorization.

5125437440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29487 (or 29467 counting only the distinct ones).

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

The square root of 5125437440 is about 71592.1604646766. The cubic root of 5125437440 is about 1724.1576720690.

The spelling of 5125437440 in words is "five billion, one hundred twenty-five million, four hundred thirty-seven thousand, four hundred forty".