1105402240 has 32 divisors (see below), whose sum is σ = 2642603760. Its totient is φ = 442160640.

The previous prime is 1105402219. The next prime is 1105402261. The reversal of 1105402240 is 422045011.

It is an interprime number because it is at equal distance from previous prime (1105402219) and next prime (1105402261).

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1105402240² = 2443828224394035200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862956 + ... + 864235.

Almost surely, 2^1105402240 is an apocalyptic number.

1105402240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105402240 is an abundant number, since it is smaller than the sum of its proper divisors (1537201520).

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

1105402240 is an equidigital number, since it uses as much as digits as its factorization.

1105402240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727210 (or 1727198 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1105402240 is about 33247.5899878472. The cubic root of 1105402240 is about 1033.9672429067.

Adding to 1105402240 its reverse (422045011), we get a palindrome (1527447251).

The spelling of 1105402240 in words is "one billion, one hundred five million, four hundred two thousand, two hundred forty".