40318355 has 16 divisors (see below), whose sum is σ = 60321024. Its totient is φ = 25133280.

The previous prime is 40318331. The next prime is 40318363. The reversal of 40318355 is 55381304.

It is not a de Polignac number, because 40318355 - 2⁸ = 40318099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51977 + ... + 52746.

It is an arithmetic number, because the mean of its divisors is an integer number (3770064).

Almost surely, 2^40318355 is an apocalyptic number.

40318355 is a deficient number, since it is larger than the sum of its proper divisors (20002669).

40318355 is a wasteful number, since it uses less digits than its factorization.

40318355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104746.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 40318355 is about 6349.6736136592. The cubic root of 40318355 is about 342.9000918832.

Adding to 40318355 its reverse (55381304), we get a palindrome (95699659).

The spelling of 40318355 in words is "forty million, three hundred eighteen thousand, three hundred fifty-five".