6254106440 has 64 divisors (see below), whose sum is σ = 14380329600. Its totient is φ = 2447373312.

The previous prime is 6254106431. The next prime is 6254106473. The reversal of 6254106440 is 446014526.

It is a super-2 number, since 2×6254106440² = 78227694725698947200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6254106397 and 6254106406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332816 + ... + 351104.

It is an arithmetic number, because the mean of its divisors is an integer number (224692650).

Almost surely, 2^6254106440 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 6254106440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7190164800).

6254106440 is an abundant number, since it is smaller than the sum of its proper divisors (8126223160).

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

6254106440 is a wasteful number, since it uses less digits than its factorization.

6254106440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18486 (or 18482 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 6254106440 is about 79082.9086465590. The cubic root of 6254106440 is about 1842.4190811142.

The spelling of 6254106440 in words is "six billion, two hundred fifty-four million, one hundred six thousand, four hundred forty".