40103210 has 16 divisors (see below), whose sum is σ = 82498176. Its totient is φ = 13749648.

The previous prime is 40103179. The next prime is 40103233. The reversal of 40103210 is 1230104.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40103191 and 40103200.

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, 286382 + ... + 286521.

It is an arithmetic number, because the mean of its divisors is an integer number (5156136).

Almost surely, 2^40103210 is an apocalyptic number.

40103210 is an abundant number, since it is smaller than the sum of its proper divisors (42394966).

40103210 is a wasteful number, since it uses less digits than its factorization.

40103210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572917.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 40103210 is about 6332.7095306827. The cubic root of 40103210 is about 342.2890810711.

Adding to 40103210 its reverse (1230104), we get a palindrome (41333314).

The spelling of 40103210 in words is "forty million, one hundred three thousand, two hundred ten".