2438129740 has 48 divisors (see below), whose sum is σ = 5218728480. Its totient is φ = 956551680.

The previous prime is 2438129677. The next prime is 2438129777. The reversal of 2438129740 is 479218342.

It is a junction number, because it is equal to n+sod(n) for n = 2438129693 and 2438129702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459744 + ... + 465016.

It is an arithmetic number, because the mean of its divisors is an integer number (108723510).

Almost surely, 2^2438129740 is an apocalyptic number.

2438129740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2438129740 is an abundant number, since it is smaller than the sum of its proper divisors (2780598740).

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

2438129740 is a wasteful number, since it uses less digits than its factorization.

2438129740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722 (or 5720 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2438129740 is about 49377.4213583496. The cubic root of 2438129740 is about 1345.9190413093.

The spelling of 2438129740 in words is "two billion, four hundred thirty-eight million, one hundred twenty-nine thousand, seven hundred forty".