1113433040 has 40 divisors (see below), whose sum is σ = 2590129608. Its totient is φ = 445132800.

The previous prime is 1113432997. The next prime is 1113433043. The reversal of 1113433040 is 403343111.

It can be written as a sum of positive squares in 4 ways, for example, as 98883136 + 1014549904 = 9944^2 + 31852^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113433043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262940 + ... + 267140.

Almost surely, 2^1113433040 is an apocalyptic number.

1113433040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113433040 is an abundant number, since it is smaller than the sum of its proper divisors (1476696568).

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

1113433040 is a wasteful number, since it uses less digits than its factorization.

1113433040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7527 (or 7521 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1113433040 is about 33368.1440898351. The cubic root of 1113433040 is about 1036.4651439603.

Adding to 1113433040 its reverse (403343111), we get a palindrome (1516776151).

The spelling of 1113433040 in words is "one billion, one hundred thirteen million, four hundred thirty-three thousand, forty".