40143332 has 6 divisors (see below), whose sum is σ = 70250838. Its totient is φ = 20071664.

The previous prime is 40143317. The next prime is 40143343. The reversal of 40143332 is 23334104.

It can be written as a sum of positive squares in only one way, i.e., 26050816 + 14092516 = 5104^2 + 3754^2 .

It is a super-2 number, since 2×40143332² = 3222974208124448, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5017913 + ... + 5017920.

It is an arithmetic number, because the mean of its divisors is an integer number (11708473).

Almost surely, 2^40143332 is an apocalyptic number.

It is an amenable number.

40143332 is a deficient number, since it is larger than the sum of its proper divisors (30107506).

40143332 is a wasteful number, since it uses less digits than its factorization.

40143332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10035837 (or 10035835 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 40143332 is about 6335.8765770807. The cubic root of 40143332 is about 342.4031928437.

Adding to 40143332 its reverse (23334104), we get a palindrome (63477436).

The spelling of 40143332 in words is "forty million, one hundred forty-three thousand, three hundred thirty-two".