1146905440 has 24 divisors (see below), whose sum is σ = 2709564480. Its totient is φ = 458762112.

The previous prime is 1146905413. The next prime is 1146905443. The reversal of 1146905440 is 445096411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1146905396 and 1146905405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146905443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3583920 + ... + 3584239.

It is an arithmetic number, because the mean of its divisors is an integer number (112898520).

Almost surely, 2^1146905440 is an apocalyptic number.

1146905440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1146905440 is an abundant number, since it is smaller than the sum of its proper divisors (1562659040).

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

1146905440 is an equidigital number, since it uses as much as digits as its factorization.

1146905440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7168174 (or 7168166 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1146905440 is about 33865.9923817389. The cubic root of 1146905440 is about 1046.7489587797.

The spelling of 1146905440 in words is "one billion, one hundred forty-six million, nine hundred five thousand, four hundred forty".