40052746 has 4 divisors (see below), whose sum is σ = 60079122. Its totient is φ = 20026372.

The previous prime is 40052723. The next prime is 40052767. The reversal of 40052746 is 64725004.

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., 38576521 + 1476225 = 6211^2 + 1215^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10013185 + ... + 10013188.

Almost surely, 2^40052746 is an apocalyptic number.

40052746 is a deficient number, since it is larger than the sum of its proper divisors (20026376).

40052746 is a wasteful number, since it uses less digits than its factorization.

40052746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20026375.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 40052746 is about 6328.7238840069. The cubic root of 40052746 is about 342.1454472943.

The spelling of 40052746 in words is "forty million, fifty-two thousand, seven hundred forty-six".