40764026 has 4 divisors (see below), whose sum is σ = 61146042. Its totient is φ = 20382012.

The previous prime is 40764019. The next prime is 40764041. The reversal of 40764026 is 62046704.

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., 30195025 + 10569001 = 5495^2 + 3251^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40764026.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10191005 + ... + 10191008.

Almost surely, 2^40764026 is an apocalyptic number.

40764026 is a deficient number, since it is larger than the sum of its proper divisors (20382016).

40764026 is a wasteful number, since it uses less digits than its factorization.

40764026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20382015.

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

The square root of 40764026 is about 6384.6711739917. The cubic root of 40764026 is about 344.1589145429.

The spelling of 40764026 in words is "forty million, seven hundred sixty-four thousand, twenty-six".