40413455 has 4 divisors (see below), whose sum is σ = 48496152. Its totient is φ = 32330760.

The previous prime is 40413397. The next prime is 40413481. The reversal of 40413455 is 55431404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40413455 - 2⁶ = 40413391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4041341 + ... + 4041350.

It is an arithmetic number, because the mean of its divisors is an integer number (12124038).

Almost surely, 2^40413455 is an apocalyptic number.

40413455 is a deficient number, since it is larger than the sum of its proper divisors (8082697).

40413455 is an equidigital number, since it uses as much as digits as its factorization.

40413455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082696.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 40413455 is about 6357.1577768685. The cubic root of 40413455 is about 343.1694827771.

Adding to 40413455 its reverse (55431404), we get a palindrome (95844859).

The spelling of 40413455 in words is "forty million, four hundred thirteen thousand, four hundred fifty-five".