1146213040 has 80 divisors (see below), whose sum is σ = 3065285952. Its totient is φ = 390454272.

The previous prime is 1146212993. The next prime is 1146213041. The reversal of 1146213040 is 403126411.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1146213041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81402 + ... + 94438.

Almost surely, 2^1146213040 is an apocalyptic number.

1146213040 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 1146213040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532642976).

1146213040 is an abundant number, since it is smaller than the sum of its proper divisors (1919072912).

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

1146213040 is a wasteful number, since it uses less digits than its factorization.

1146213040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13214 (or 13208 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1146213040 is about 33855.7681939134. The cubic root of 1146213040 is about 1046.5382715823.

Adding to 1146213040 its reverse (403126411), we get a palindrome (1549339451).

The spelling of 1146213040 in words is "one billion, one hundred forty-six million, two hundred thirteen thousand, forty".