40301913 has 16 divisors (see below), whose sum is σ = 54854720. Its totient is φ = 26313984.

The previous prime is 40301881. The next prime is 40301927. The reversal of 40301913 is 31910304.

It is not a de Polignac number, because 40301913 - 2⁵ = 40301881 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 40301913.

It is not an unprimeable number, because it can be changed into a prime (40301993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35133 + ... + 36261.

It is an arithmetic number, because the mean of its divisors is an integer number (3428420).

Almost surely, 2^40301913 is an apocalyptic number.

It is an amenable number.

40301913 is a deficient number, since it is larger than the sum of its proper divisors (14552807).

40301913 is a wasteful number, since it uses less digits than its factorization.

40301913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 40301913 is about 6348.3787694182. The cubic root of 40301913 is about 342.8534734974.

It can be divided in two parts, 40301 and 913, that added together give a palindrome (41214).

The spelling of 40301913 in words is "forty million, three hundred one thousand, nine hundred thirteen".