4002249212 has 18 divisors (see below), whose sum is σ = 7584145128. Its totient is φ = 1847191632.

The previous prime is 4002249211. The next prime is 4002249227. The reversal of 4002249212 is 2129422004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002249211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2959568 + ... + 2960919.

It is an arithmetic number, because the mean of its divisors is an integer number (421341396).

Almost surely, 2^4002249212 is an apocalyptic number.

It is an amenable number.

4002249212 is a deficient number, since it is larger than the sum of its proper divisors (3581895916).

4002249212 is a wasteful number, since it uses less digits than its factorization.

4002249212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920517 (or 5920502 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4002249212 is about 63263.3322865623. The cubic root of 4002249212 is about 1587.6985296755.

The spelling of 4002249212 in words is "four billion, two million, two hundred forty-nine thousand, two hundred twelve".