40346251 has 4 divisors (see below), whose sum is σ = 44014104. Its totient is φ = 36678400.

The previous prime is 40346239. The next prime is 40346263. The reversal of 40346251 is 15264304.

40346251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (40346239) and next prime (40346263).

It is not a de Polignac number, because 40346251 - 2¹¹ = 40344203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40346231) by changing a digit.

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, 1833910 + ... + 1833931.

It is an arithmetic number, because the mean of its divisors is an integer number (11003526).

Almost surely, 2^40346251 is an apocalyptic number.

40346251 is a deficient number, since it is larger than the sum of its proper divisors (3667853).

40346251 is a wasteful number, since it uses less digits than its factorization.

40346251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667852.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40346251 is about 6351.8698821686. The cubic root of 40346251 is about 342.9791570774.

The spelling of 40346251 in words is "forty million, three hundred forty-six thousand, two hundred fifty-one".