40328212 has 24 divisors (see below), whose sum is σ = 73382400. Its totient is φ = 19369056.

The previous prime is 40328207. The next prime is 40328221. The reversal of 40328212 is 21282304.

It is a congruent number.

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, 25089 + ... + 26647.

It is an arithmetic number, because the mean of its divisors is an integer number (3057600).

Almost surely, 2^40328212 is an apocalyptic number.

It is an amenable number.

40328212 is a deficient number, since it is larger than the sum of its proper divisors (33054188).

40328212 is a wasteful number, since it uses less digits than its factorization.

40328212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815 (or 1813 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 40328212 is about 6350.4497478525. The cubic root of 40328212 is about 342.9280335886.

It can be divided in two parts, 403282 and 12, that multiplied together give a palindrome (4839384).

The spelling of 40328212 in words is "forty million, three hundred twenty-eight thousand, two hundred twelve".