105602040 has 48 divisors (see below), whose sum is σ = 343207800. Its totient is φ = 28160448.

The previous prime is 105602017. The next prime is 105602051. The reversal of 105602040 is 40206501.

It is a happy number.

It is a super-2 number, since 2×105602040² = 22303581704323200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146310 + ... + 147029.

Almost surely, 2^105602040 is an apocalyptic number.

105602040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105602040 is an abundant number, since it is smaller than the sum of its proper divisors (237605760).

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

105602040 is a wasteful number, since it uses less digits than its factorization.

105602040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293356 (or 293349 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 105602040 is about 10276.2853210681. The cubic root of 105602040 is about 472.6693438519.

Adding to 105602040 its reverse (40206501), we get a palindrome (145808541).

The spelling of 105602040 in words is "one hundred five million, six hundred two thousand, forty".