105120443540 has 48 divisors (see below), whose sum is σ = 252395472000. Its totient is φ = 36026093952.

The previous prime is 105120443539. The next prime is 105120443543. The reversal of 105120443540 is 45344021501.

It is a super-2 number, since 2×105120443540² (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 (105120443543) 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, 177311 + ... + 491609.

It is an arithmetic number, because the mean of its divisors is an integer number (5258239000).

Almost surely, 2^105120443540 is an apocalyptic number.

105120443540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105120443540 is an abundant number, since it is smaller than the sum of its proper divisors (147275028460).

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

105120443540 is a wasteful number, since it uses less digits than its factorization.

105120443540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316704 (or 316702 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 105120443540 in words is "one hundred five billion, one hundred twenty million, four hundred forty-three thousand, five hundred forty".