1113444402 has 64 divisors (see below), whose sum is σ = 2585088000. Its totient is φ = 313156800.

The previous prime is 1113444383. The next prime is 1113444413. The reversal of 1113444402 is 2044443111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 843499 + ... + 844817.

It is an arithmetic number, because the mean of its divisors is an integer number (40392000).

Almost surely, 2^1113444402 is an apocalyptic number.

1113444402 is an abundant number, since it is smaller than the sum of its proper divisors (1471643598).

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

1113444402 is a wasteful number, since it uses less digits than its factorization.

1113444402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1113444402 is about 33368.3143416026. The cubic root of 1113444402 is about 1036.4686694759.

Adding to 1113444402 its reverse (2044443111), we get a palindrome (3157887513).

The spelling of 1113444402 in words is "one billion, one hundred thirteen million, four hundred forty-four thousand, four hundred two".