1110320640 has 480 divisors, whose sum is σ = 4531022496. Its totient is φ = 247726080.

The previous prime is 1110320623. The next prime is 1110320647. The reversal of 1110320640 is 460230111.

It is a happy number.

1110320640 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 3 + 20 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×1110320640² = 2465623847220019200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110320647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3294552 + ... + 3294888.

Almost surely, 2^1110320640 is an apocalyptic number.

1110320640 is a gapful number since it is divisible by the number (10) 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 1110320640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2265511248).

1110320640 is an abundant number, since it is smaller than the sum of its proper divisors (3420701856).

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

1110320640 is a wasteful number, since it uses less digits than its factorization.

1110320640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1110320640 is about 33321.4741570657. The cubic root of 1110320640 is about 1035.4984926290.

Adding to 1110320640 its reverse (460230111), we get a palindrome (1570550751).

The spelling of 1110320640 in words is "one billion, one hundred ten million, three hundred twenty thousand, six hundred forty".