40012351 has 8 divisors (see below), whose sum is σ = 42311808. Its totient is φ = 37776000.

The previous prime is 40012321. The next prime is 40012361. The reversal of 40012351 is 15321004.

40012351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40012351 - 2⁵ = 40012319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012321) 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 7 ways as a sum of consecutive naturals, for example, 14470 + ... + 17011.

It is an arithmetic number, because the mean of its divisors is an integer number (5288976).

Almost surely, 2^40012351 is an apocalyptic number.

40012351 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40012351 is a deficient number, since it is larger than the sum of its proper divisors (2299457).

40012351 is a wasteful number, since it uses less digits than its factorization.

40012351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31553.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 40012351 is about 6325.5316772584. The cubic root of 40012351 is about 342.0303855679.

Adding to 40012351 its reverse (15321004), we get a palindrome (55333355).

The spelling of 40012351 in words is "forty million, twelve thousand, three hundred fifty-one".