40246337 has 4 divisors (see below), whose sum is σ = 40342356. Its totient is φ = 40150320.

The previous prime is 40246333. The next prime is 40246363. The reversal of 40246337 is 73364204.

It is a happy number.

It is a Cunningham number, because it is equal to 6344²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 190096 + 40056241 = 436^2 + 6329^2 .

It is a cyclic number.

It is not a de Polignac number, because 40246337 - 2² = 40246333 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40246333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47378 + ... + 48219.

It is an arithmetic number, because the mean of its divisors is an integer number (10085589).

Almost surely, 2^40246337 is an apocalyptic number.

It is an amenable number.

40246337 is a deficient number, since it is larger than the sum of its proper divisors (96019).

40246337 is an equidigital number, since it uses as much as digits as its factorization.

40246337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96018.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 40246337 is about 6344.0000788146. Note that the first 4 decimals coincide. The cubic root of 40246337 is about 342.6958036453.

The spelling of 40246337 in words is "forty million, two hundred forty-six thousand, three hundred thirty-seven".