40321352 has 16 divisors (see below), whose sum is σ = 75797100. Its totient is φ = 20108800.

The previous prime is 40321313. The next prime is 40321373. The reversal of 40321352 is 25312304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23951236 + 16370116 = 4894^2 + 4046^2 .

It is a super-2 number, since 2×40321352² = 3251622854215808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3077 + ... + 9492.

Almost surely, 2^40321352 is an apocalyptic number.

It is an amenable number.

40321352 is a deficient number, since it is larger than the sum of its proper divisors (35475748).

40321352 is a wasteful number, since it uses less digits than its factorization.

40321352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12976 (or 12972 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40321352 is about 6349.9096056558. The cubic root of 40321352 is about 342.9085879814.

Adding to 40321352 its reverse (25312304), we get a palindrome (65633656).

The spelling of 40321352 in words is "forty million, three hundred twenty-one thousand, three hundred fifty-two".