40210212 has 48 divisors (see below), whose sum is σ = 107945600. Its totient is φ = 11411712.

The previous prime is 40210207. The next prime is 40210223. The reversal of 40210212 is 21201204.

It is a super-2 number, since 2×40210212² = 3233722298169888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11664 + ... + 14712.

Almost surely, 2^40210212 is an apocalyptic number.

40210212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40210212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53972800).

40210212 is an abundant number, since it is smaller than the sum of its proper divisors (67735388).

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

40210212 is a wasteful number, since it uses less digits than its factorization.

40210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220 (or 3218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 40210212 is about 6341.1522612219. The cubic root of 40210212 is about 342.5932386855.

Adding to 40210212 its reverse (21201204), we get a palindrome (61411416).

The spelling of 40210212 in words is "forty million, two hundred ten thousand, two hundred twelve".