10133221440 has 112 divisors (see below), whose sum is σ = 32408237952. Its totient is φ = 2682433536.

The previous prime is 10133221391. The next prime is 10133221453. The reversal of 10133221440 is 4412233101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92997 + ... + 170043.

Almost surely, 2^10133221440 is an apocalyptic number.

10133221440 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 10133221440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16204118976).

10133221440 is an abundant number, since it is smaller than the sum of its proper divisors (22275016512).

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

10133221440 is a wasteful number, since it uses less digits than its factorization.

10133221440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77204 (or 77194 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10133221440 its reverse (4412233101), we get a palindrome (14545454541).

The spelling of 10133221440 in words is "ten billion, one hundred thirty-three million, two hundred twenty-one thousand, four hundred forty".