40012210 has 16 divisors (see below), whose sum is σ = 82310976. Its totient is φ = 13718448.

The previous prime is 40012201. The next prime is 40012211. The reversal of 40012210 is 1221004.

It is a Harshad number since it is a multiple of its sum of digits (10).

40012210 is a modest number, since divided by 12210 gives 40 as remainder.

It is not an unprimeable number, because it can be changed into a prime (40012211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285732 + ... + 285871.

It is an arithmetic number, because the mean of its divisors is an integer number (5144436).

Almost surely, 2^40012210 is an apocalyptic number.

40012210 is an abundant number, since it is smaller than the sum of its proper divisors (42298766).

40012210 is a wasteful number, since it uses less digits than its factorization.

40012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571617.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 40012210 is about 6325.5205319404. The cubic root of 40012210 is about 342.0299838058.

Adding to 40012210 its reverse (1221004), we get a palindrome (41233214).

The spelling of 40012210 in words is "forty million, twelve thousand, two hundred ten".