40076642 has 4 divisors (see below), whose sum is σ = 60114966. Its totient is φ = 20038320.

The previous prime is 40076629. The next prime is 40076723. The reversal of 40076642 is 24667004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39450961 + 625681 = 6281^2 + 791^2 .

It is a super-2 number, since 2×40076642² = 3212274467992328, 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, 10019159 + ... + 10019162.

Almost surely, 2^40076642 is an apocalyptic number.

40076642 is a deficient number, since it is larger than the sum of its proper divisors (20038324).

40076642 is a wasteful number, since it uses less digits than its factorization.

40076642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20038323.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 40076642 is about 6330.6115028487. The cubic root of 40076642 is about 342.2134766057.

The spelling of 40076642 in words is "forty million, seventy-six thousand, six hundred forty-two".