40105624 has 16 divisors (see below), whose sum is σ = 80982720. Its totient is φ = 18510240.

The previous prime is 40105619. The next prime is 40105631. The reversal of 40105624 is 42650104.

It is a super-2 number, since 2×40105624² = 3216922152858752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40105595 and 40105604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192712 + ... + 192919.

It is an arithmetic number, because the mean of its divisors is an integer number (5061420).

Almost surely, 2^40105624 is an apocalyptic number.

It is an amenable number.

40105624 is an abundant number, since it is smaller than the sum of its proper divisors (40877096).

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

40105624 is a wasteful number, since it uses less digits than its factorization.

40105624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385650 (or 385646 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40105624 is about 6332.9001255349. The cubic root of 40105624 is about 342.2959489275.

Adding to 40105624 its reverse (42650104), we get a palindrome (82755728).

The spelling of 40105624 in words is "forty million, one hundred five thousand, six hundred twenty-four".