4398787740 has 48 divisors (see below), whose sum is σ = 13041114912. Its totient is φ = 1104009216.

The previous prime is 4398787733. The next prime is 4398787741. The reversal of 4398787740 is 477878934.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4398787741) 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, 2155249 + ... + 2157288.

It is an arithmetic number, because the mean of its divisors is an integer number (271689894).

Almost surely, 2^4398787740 is an apocalyptic number.

It is an amenable number.

4398787740 is an abundant number, since it is smaller than the sum of its proper divisors (8642327172).

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

4398787740 is a wasteful number, since it uses less digits than its factorization.

4398787740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312566 (or 4312564 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 57.

The square root of 4398787740 is about 66323.3574240629. The cubic root of 4398787740 is about 1638.4920379235.

The spelling of 4398787740 in words is "four billion, three hundred ninety-eight million, seven hundred eighty-seven thousand, seven hundred forty".