2011443402 has 16 divisors (see below), whose sum is σ = 4088836512. Its totient is φ = 659489520.

The previous prime is 2011443353. The next prime is 2011443457. The reversal of 2011443402 is 2043441102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2747508 + ... + 2748239.

It is an arithmetic number, because the mean of its divisors is an integer number (255552282).

Almost surely, 2^2011443402 is an apocalyptic number.

2011443402 is an abundant number, since it is smaller than the sum of its proper divisors (2077393110).

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

2011443402 is a wasteful number, since it uses less digits than its factorization.

2011443402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5495813.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2011443402 is about 44849.1181853111. The cubic root of 2011443402 is about 1262.3194452378.

Adding to 2011443402 its reverse (2043441102), we get a palindrome (4054884504).

The spelling of 2011443402 in words is "two billion, eleven million, four hundred forty-three thousand, four hundred two".