1099524640240 has 120 divisors (see below), whose sum is σ = 2771830613808. Its totient is φ = 405441054720.

The previous prime is 1099524640231. The next prime is 1099524640337. The reversal of 1099524640240 is 420464259901.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10235287 + ... + 10342153.

Almost surely, 2^{1099524640240} is an apocalyptic number.

1099524640240 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 1099524640240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1385915306904).

1099524640240 is an abundant number, since it is smaller than the sum of its proper divisors (1672305973568).

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

1099524640240 is a wasteful number, since it uses less digits than its factorization.

1099524640240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107667 (or 107648 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 1099524640240 in words is "one trillion, ninety-nine billion, five hundred twenty-four million, six hundred forty thousand, two hundred forty".