40312355 has 8 divisors (see below), whose sum is σ = 51220512. Its totient is φ = 30352768.

The previous prime is 40312343. The next prime is 40312361. The reversal of 40312355 is 55321304.

40312355 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 40312355 - 2¹⁴ = 40295971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40312355.

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 7 ways as a sum of consecutive naturals, for example, 237047 + ... + 237216.

It is an arithmetic number, because the mean of its divisors is an integer number (6402564).

Almost surely, 2^40312355 is an apocalyptic number.

40312355 is a deficient number, since it is larger than the sum of its proper divisors (10908157).

40312355 is a wasteful number, since it uses less digits than its factorization.

40312355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474285.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 40312355 is about 6349.2011308510. The cubic root of 40312355 is about 342.8830814123.

Adding to 40312355 its reverse (55321304), we get a palindrome (95633659).

The spelling of 40312355 in words is "forty million, three hundred twelve thousand, three hundred fifty-five".