1119423456 has 288 divisors, whose sum is σ = 3575486880. Its totient is φ = 340402176.

The previous prime is 1119423439. The next prime is 1119423457. The reversal of 1119423456 is 6543249111.

It is a happy number.

1119423456 is a `hidden beast` number, since 11 + 194 + 2 + 3 + 456 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1119423456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119423457) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 11540400 + ... + 11540496.

It is an arithmetic number, because the mean of its divisors is an integer number (12414885).

Almost surely, 2^1119423456 is an apocalyptic number.

1119423456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1119423456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1787743440).

1119423456 is an abundant number, since it is smaller than the sum of its proper divisors (2456063424).

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

1119423456 is a wasteful number, since it uses less digits than its factorization.

1119423456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 158 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1119423456 is about 33457.7861790047. The cubic root of 1119423456 is about 1038.3205932775.

The spelling of 1119423456 in words is "one billion, one hundred nineteen million, four hundred twenty-three thousand, four hundred fifty-six".