4869398440 has 32 divisors (see below), whose sum is σ = 11042426880. Its totient is φ = 1932420672.

The previous prime is 4869398437. The next prime is 4869398453. The reversal of 4869398440 is 448939684.

It is a happy number.

It is a super-2 number, since 2×4869398440² = 47422082334948867200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

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, 474192 + ... + 484351.

It is an arithmetic number, because the mean of its divisors is an integer number (345075840).

Almost surely, 2^4869398440 is an apocalyptic number.

4869398440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4869398440 is an abundant number, since it is smaller than the sum of its proper divisors (6173028440).

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

4869398440 is a wasteful number, since it uses less digits than its factorization.

4869398440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958681 (or 958677 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 55.

The square root of 4869398440 is about 69781.0750848681. The cubic root of 4869398440 is about 1694.9560341650.

The spelling of 4869398440 in words is "four billion, eight hundred sixty-nine million, three hundred ninety-eight thousand, four hundred forty".