40014021352 has 8 divisors (see below), whose sum is σ = 75026290050. Its totient is φ = 20007010672.

The previous prime is 40014021277. The next prime is 40014021361. The reversal of 40014021352 is 25312041004.

It can be written as a sum of positive squares in only one way, i.e., 36391666756 + 3622354596 = 190766^2 + 60186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40014021352² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500876327 + ... + 2500876342.

Almost surely, 2^40014021352 is an apocalyptic number.

It is an amenable number.

40014021352 is a deficient number, since it is larger than the sum of its proper divisors (35012268698).

40014021352 is a wasteful number, since it uses less digits than its factorization.

40014021352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001752675 (or 5001752671 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 40014021352 its reverse (25312041004), we get a palindrome (65326062356).

The spelling of 40014021352 in words is "forty billion, fourteen million, twenty-one thousand, three hundred fifty-two".