6126654440 has 64 divisors (see below), whose sum is σ = 14421058560. Its totient is φ = 2338124800.

The previous prime is 6126654439. The next prime is 6126654449. The reversal of 6126654440 is 444566216.

It is a junction number, because it is equal to n+sod(n) for n = 6126654394 and 6126654403.

It is not an unprimeable number, because it can be changed into a prime (6126654449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360617 + ... + 377223.

It is an arithmetic number, because the mean of its divisors is an integer number (225329040).

Almost surely, 2^6126654440 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 6126654440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7210529280).

6126654440 is an abundant number, since it is smaller than the sum of its proper divisors (8294404120).

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

6126654440 is a wasteful number, since it uses less digits than its factorization.

6126654440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17042 (or 17038 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 6126654440 is about 78272.9483282698. The cubic root of 6126654440 is about 1829.8175776434.

The spelling of 6126654440 in words is "six billion, one hundred twenty-six million, six hundred fifty-four thousand, four hundred forty".