2445709740 has 96 divisors (see below), whose sum is σ = 6926895360. Its totient is φ = 644716800.

The previous prime is 2445709727. The next prime is 2445709771. The reversal of 2445709740 is 479075442.

It is a super-2 number, since 2×2445709740² = 11962992264661735200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2445709692 and 2445709701.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2978530 + ... + 2979350.

It is an arithmetic number, because the mean of its divisors is an integer number (72155160).

Almost surely, 2^2445709740 is an apocalyptic number.

2445709740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2445709740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3463447680).

2445709740 is an abundant number, since it is smaller than the sum of its proper divisors (4481185620).

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

2445709740 is a wasteful number, since it uses less digits than its factorization.

2445709740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 2445709740 is about 49454.1175232154. The cubic root of 2445709740 is about 1347.3123923754.

The spelling of 2445709740 in words is "two billion, four hundred forty-five million, seven hundred nine thousand, seven hundred forty".