2400401212 has 48 divisors (see below), whose sum is σ = 4699183104. Its totient is φ = 1063440000.

The previous prime is 2400401197. The next prime is 2400401231. The reversal of 2400401212 is 2121040042.

It is a congruent number.

It is an unprimeable number.

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, 1136037 + ... + 1138147.

It is an arithmetic number, because the mean of its divisors is an integer number (97899648).

Almost surely, 2^2400401212 is an apocalyptic number.

2400401212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2400401212 is a deficient number, since it is larger than the sum of its proper divisors (2298781892).

2400401212 is a wasteful number, since it uses less digits than its factorization.

2400401212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770 (or 2768 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2400401212 is about 48993.8895373699. The cubic root of 2400401212 is about 1338.9405028220.

Adding to 2400401212 its reverse (2121040042), we get a palindrome (4521441254).

The spelling of 2400401212 in words is "two billion, four hundred million, four hundred one thousand, two hundred twelve".