105503041240 has 32 divisors (see below), whose sum is σ = 237409547760. Its totient is φ = 42196291200.

The previous prime is 105503041229. The next prime is 105503041249. The reversal of 105503041240 is 42140305501.

It is a happy number.

It is a super-2 number, since 2×105503041240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105503041249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203335 + ... + 502345.

Almost surely, 2^105503041240 is an apocalyptic number.

105503041240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105503041240 is an abundant number, since it is smaller than the sum of its proper divisors (131906506520).

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

105503041240 is a wasteful number, since it uses less digits than its factorization.

105503041240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307843 (or 307839 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 105503041240 its reverse (42140305501), we get a palindrome (147643346741).

The spelling of 105503041240 in words is "one hundred five billion, five hundred three million, forty-one thousand, two hundred forty".