2400785149 has 16 divisors (see below), whose sum is σ = 2917078272. Its totient is φ = 1931200128.

The previous prime is 2400785117. The next prime is 2400785161. The reversal of 2400785149 is 9415870042.

It is a cyclic number.

It is not a de Polignac number, because 2400785149 - 2⁵ = 2400785117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400785249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132144 + ... + 149209.

It is an arithmetic number, because the mean of its divisors is an integer number (182317392).

Almost surely, 2^2400785149 is an apocalyptic number.

It is an amenable number.

2400785149 is a deficient number, since it is larger than the sum of its proper divisors (516293123).

2400785149 is a wasteful number, since it uses less digits than its factorization.

2400785149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281436.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2400785149 is about 48997.8075938097. The cubic root of 2400785149 is about 1339.0118855269.

The spelling of 2400785149 in words is "two billion, four hundred million, seven hundred eighty-five thousand, one hundred forty-nine".