2400749405 has 4 divisors (see below), whose sum is σ = 2880899292. Its totient is φ = 1920599520.

The previous prime is 2400749387. The next prime is 2400749413. The reversal of 2400749405 is 5049470042.

2400749405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1617085369 + 783664036 = 40213^2 + 27994^2 .

It is not a de Polignac number, because 2400749405 - 2⁸ = 2400749149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240074936 + ... + 240074945.

It is an arithmetic number, because the mean of its divisors is an integer number (720224823).

Almost surely, 2^2400749405 is an apocalyptic number.

It is an amenable number.

2400749405 is a deficient number, since it is larger than the sum of its proper divisors (480149887).

2400749405 is an equidigital number, since it uses as much as digits as its factorization.

2400749405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480149886.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2400749405 is about 48997.4428414382. The cubic root of 2400749405 is about 1339.0052402178.

The spelling of 2400749405 in words is "two billion, four hundred million, seven hundred forty-nine thousand, four hundred five".