40211712 has 108 divisors (see below), whose sum is σ = 119892864. Its totient is φ = 12948480.

The previous prime is 40211701. The next prime is 40211723. The reversal of 40211712 is 21711204.

It is an interprime number because it is at equal distance from previous prime (40211701) and next prime (40211723).

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, 71143 + ... + 71705.

Almost surely, 2^40211712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40211712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59946432).

40211712 is an abundant number, since it is smaller than the sum of its proper divisors (79681152).

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

40211712 is a wasteful number, since it uses less digits than its factorization.

40211712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 40211712 is about 6341.2705351530. The cubic root of 40211712 is about 342.5974986603.

Adding to 40211712 its reverse (21711204), we get a palindrome (61922916).

The spelling of 40211712 in words is "forty million, two hundred eleven thousand, seven hundred twelve".