6258537440 has 24 divisors (see below), whose sum is σ = 14785795080. Its totient is φ = 2503414912.

The previous prime is 6258537427. The next prime is 6258537449. The reversal of 6258537440 is 447358526.

It is a junction number, because it is equal to n+sod(n) for n = 6258537391 and 6258537400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6258537449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19557770 + ... + 19558089.

It is an arithmetic number, because the mean of its divisors is an integer number (616074795).

Almost surely, 2^6258537440 is an apocalyptic number.

It is an amenable number.

6258537440 is an abundant number, since it is smaller than the sum of its proper divisors (8527257640).

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

6258537440 is a wasteful number, since it uses less digits than its factorization.

6258537440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39115874 (or 39115866 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The square root of 6258537440 is about 79110.9185890292. The cubic root of 6258537440 is about 1842.8540929896.

The spelling of 6258537440 in words is "six billion, two hundred fifty-eight million, five hundred thirty-seven thousand, four hundred forty".