40713290 has 8 divisors (see below), whose sum is σ = 73283940. Its totient is φ = 16285312.

The previous prime is 40713271. The next prime is 40713313. The reversal of 40713290 is 9231704.

40713290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 34656769 + 6056521 = 5887^2 + 2461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2035655 + ... + 2035674.

Almost surely, 2^40713290 is an apocalyptic number.

40713290 is a deficient number, since it is larger than the sum of its proper divisors (32570650).

40713290 is a wasteful number, since it uses less digits than its factorization.

40713290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071336.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 40713290 is about 6380.6966704271. The cubic root of 40713290 is about 344.0160721263.

Adding to 40713290 its reverse (9231704), we get a palindrome (49944994).

The spelling of 40713290 in words is "forty million, seven hundred thirteen thousand, two hundred ninety".