40488413 has 8 divisors (see below), whose sum is σ = 47348928. Its totient is φ = 33897024.

The previous prime is 40488403. The next prime is 40488439. The reversal of 40488413 is 31488404.

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

It is not a de Polignac number, because 40488413 - 2²⁴ = 23711197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 40488413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40488403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66956 + ... + 67557.

It is an arithmetic number, because the mean of its divisors is an integer number (5918616).

Almost surely, 2^40488413 is an apocalyptic number.

40488413 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40488413 is a deficient number, since it is larger than the sum of its proper divisors (6860515).

40488413 is a wasteful number, since it uses less digits than its factorization.

40488413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134563.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 40488413 is about 6363.0506048593. The cubic root of 40488413 is about 343.3815195091.

Subtracting from 40488413 its reverse (31488404), we obtain a palindrome (9000009).

The spelling of 40488413 in words is "forty million, four hundred eighty-eight thousand, four hundred thirteen".