2240431146 has 24 divisors (see below), whose sum is σ = 4879689984. Its totient is φ = 742899240.

The previous prime is 2240431121. The next prime is 2240431147. The reversal of 2240431146 is 6411340422.

It is a happy number.

2240431146 is a `hidden beast` number, since 224 + 0 + 431 + 1 + 4 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2240431147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322396 + ... + 329271.

It is an arithmetic number, because the mean of its divisors is an integer number (203320416).

Almost surely, 2^2240431146 is an apocalyptic number.

2240431146 is an abundant number, since it is smaller than the sum of its proper divisors (2639258838).

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

2240431146 is a wasteful number, since it uses less digits than its factorization.

2240431146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651866 (or 651863 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2240431146 is about 47333.1928565991. The cubic root of 2240431146 is about 1308.5104655446.

Adding to 2240431146 its reverse (6411340422), we get a palindrome (8651771568).

The spelling of 2240431146 in words is "two billion, two hundred forty million, four hundred thirty-one thousand, one hundred forty-six".