4048781392 has 10 divisors (see below), whose sum is σ = 7844513978. Its totient is φ = 2024390688.

The previous prime is 4048781369. The next prime is 4048781393. The reversal of 4048781392 is 2931878404.

It can be written as a sum of positive squares in only one way, i.e., 3974545936 + 74235456 = 63044^2 + 8616^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4048781393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126524403 + ... + 126524434.

Almost surely, 2^4048781392 is an apocalyptic number.

It is an amenable number.

4048781392 is a deficient number, since it is larger than the sum of its proper divisors (3795732586).

4048781392 is a wasteful number, since it uses less digits than its factorization.

4048781392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253048845 (or 253048839 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 4048781392 is about 63630.0352978057. The cubic root of 4048781392 is about 1593.8279656089.

The spelling of 4048781392 in words is "four billion, forty-eight million, seven hundred eighty-one thousand, three hundred ninety-two".