40013355 has 16 divisors (see below), whose sum is σ = 64611360. Its totient is φ = 21143808.

The previous prime is 40013341. The next prime is 40013371. The reversal of 40013355 is 55331004.

It is not a de Polignac number, because 40013355 - 2⁷ = 40013227 is a prime.

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, 10602 + ... + 13871.

It is an arithmetic number, because the mean of its divisors is an integer number (4038210).

Almost surely, 2^40013355 is an apocalyptic number.

40013355 is a deficient number, since it is larger than the sum of its proper divisors (24598005).

40013355 is a wasteful number, since it uses less digits than its factorization.

40013355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24590.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 40013355 is about 6325.6110376785. The cubic root of 40013355 is about 342.0332463148.

Adding to 40013355 its reverse (55331004), we get a palindrome (95344359).

The spelling of 40013355 in words is "forty million, thirteen thousand, three hundred fifty-five".