105244552440 has 96 divisors (see below), whose sum is σ = 346862412000. Its totient is φ = 27669922560.

The previous prime is 105244552351. The next prime is 105244552451. The reversal of 105244552440 is 44255442501.

105244552440 is a `hidden beast` number, since 1 + 0 + 52 + 4 + 45 + 524 + 40 = 666.

It is a super-2 number, since 2×105244552440² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 105244552395 and 105244552404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2033215 + ... + 2084334.

It is an arithmetic number, because the mean of its divisors is an integer number (3613150125).

Almost surely, 2^105244552440 is an apocalyptic number.

105244552440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105244552440 is an abundant number, since it is smaller than the sum of its proper divisors (241617859560).

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

105244552440 is a wasteful number, since it uses less digits than its factorization.

105244552440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117637 (or 4117630 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 105244552440 its reverse (44255442501), we get a palindrome (149499994941).

The spelling of 105244552440 in words is "one hundred five billion, two hundred forty-four million, five hundred fifty-two thousand, four hundred forty".