2439197340 has 24 divisors (see below), whose sum is σ = 6829752720. Its totient is φ = 650452608.

The previous prime is 2439197309. The next prime is 2439197351. The reversal of 2439197340 is 437919342.

It is a junction number, because it is equal to n+sod(n) for n = 2439197292 and 2439197301.

It is a congruent number.

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, 20326585 + ... + 20326704.

It is an arithmetic number, because the mean of its divisors is an integer number (284573030).

Almost surely, 2^2439197340 is an apocalyptic number.

2439197340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2439197340 is an abundant number, since it is smaller than the sum of its proper divisors (4390555380).

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

2439197340 is a wasteful number, since it uses less digits than its factorization.

2439197340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40653301 (or 40653299 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 2439197340 is about 49388.2307842668. The cubic root of 2439197340 is about 1346.1154614679.

The spelling of 2439197340 in words is "two billion, four hundred thirty-nine million, one hundred ninety-seven thousand, three hundred forty".