40740346 has 4 divisors (see below), whose sum is σ = 61110522. Its totient is φ = 20370172.

The previous prime is 40740317. The next prime is 40740361. The reversal of 40740346 is 64304704.

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., 36784225 + 3956121 = 6065^2 + 1989^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10185085 + ... + 10185088.

Almost surely, 2^40740346 is an apocalyptic number.

40740346 is a deficient number, since it is larger than the sum of its proper divisors (20370176).

40740346 is a wasteful number, since it uses less digits than its factorization.

40740346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20370175.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 40740346 is about 6382.8164629731. The cubic root of 40740346 is about 344.0922604979.

The spelling of 40740346 in words is "forty million, seven hundred forty thousand, three hundred forty-six".