40342052 has 6 divisors (see below), whose sum is σ = 70598598. Its totient is φ = 20171024.

The previous prime is 40342039. The next prime is 40342079. The reversal of 40342052 is 25024304.

It can be written as a sum of positive squares in only one way, i.e., 32535616 + 7806436 = 5704^2 + 2794^2 .

It is a super-3 number, since 3×40342052³ (a number of 24 digits) contains 333 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, 5042753 + ... + 5042760.

It is an arithmetic number, because the mean of its divisors is an integer number (11766433).

Almost surely, 2^40342052 is an apocalyptic number.

It is an amenable number.

40342052 is a deficient number, since it is larger than the sum of its proper divisors (30256546).

40342052 is a wasteful number, since it uses less digits than its factorization.

40342052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10085517 (or 10085515 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40342052 is about 6351.5393409787. The cubic root of 40342052 is about 342.9672582482.

Adding to 40342052 its reverse (25024304), we get a palindrome (65366356).

The spelling of 40342052 in words is "forty million, three hundred forty-two thousand, fifty-two".