40442076 has 18 divisors (see below), whose sum is σ = 102228672. Its totient is φ = 13480680.

The previous prime is 40442063. The next prime is 40442111. The reversal of 40442076 is 67024404.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×40442076² = 3271123022379552, which contains 22 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561660 + ... + 561731.

Almost surely, 2^40442076 is an apocalyptic number.

It is an amenable number.

40442076 is an abundant number, since it is smaller than the sum of its proper divisors (61786596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40442076 is a wasteful number, since it uses less digits than its factorization.

40442076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123401 (or 1123396 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 40442076 is about 6359.4084630569. The cubic root of 40442076 is about 343.2504750774.

It can be divided in two parts, 404420 and 76, that added together give a square (404496 = 636²).

The spelling of 40442076 in words is "forty million, four hundred forty-two thousand, seventy-six".