105401161240 has 32 divisors (see below), whose sum is σ = 241172154000. Its totient is φ = 41445879424.

The previous prime is 105401161223. The next prime is 105401161303. The reversal of 105401161240 is 42161104501.

105401161240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105401161240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22328395 + ... + 22333114.

Almost surely, 2^105401161240 is an apocalyptic number.

105401161240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105401161240 is an abundant number, since it is smaller than the sum of its proper divisors (135770992760).

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

105401161240 is a wasteful number, since it uses less digits than its factorization.

105401161240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44661579 (or 44661575 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 105401161240 its reverse (42161104501), we get a palindrome (147562265741).

The spelling of 105401161240 in words is "one hundred five billion, four hundred one million, one hundred sixty-one thousand, two hundred forty".