2400955478 has 4 divisors (see below), whose sum is σ = 3601433220. Its totient is φ = 1200477738.

The previous prime is 2400955477. The next prime is 2400955481. The reversal of 2400955478 is 8745590042.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400955477) 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 as a sum of consecutive naturals, namely, 600238868 + ... + 600238871.

It is an arithmetic number, because the mean of its divisors is an integer number (900358305).

Almost surely, 2^2400955478 is an apocalyptic number.

2400955478 is a deficient number, since it is larger than the sum of its proper divisors (1200477742).

2400955478 is a wasteful number, since it uses less digits than its factorization.

2400955478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200477741.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 2400955478 is about 48999.5456917715. The cubic root of 2400955478 is about 1339.0435511624.

The spelling of 2400955478 in words is "two billion, four hundred million, nine hundred fifty-five thousand, four hundred seventy-eight".