40324405 has 32 divisors (see below), whose sum is σ = 55738368. Its totient is φ = 27720000.

The previous prime is 40324393. The next prime is 40324423. The reversal of 40324405 is 50442304.

It is a happy number.

It is not a de Polignac number, because 40324405 - 2⁵ = 40324373 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 31 ways as a sum of consecutive naturals, for example, 160530 + ... + 160780.

It is an arithmetic number, because the mean of its divisors is an integer number (1741824).

Almost surely, 2^40324405 is an apocalyptic number.

It is an amenable number.

40324405 is a deficient number, since it is larger than the sum of its proper divisors (15413963).

40324405 is a wasteful number, since it uses less digits than its factorization.

40324405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 40324405 is about 6350.1499982284. The cubic root of 40324405 is about 342.9172423994.

Adding to 40324405 its reverse (50442304), we get a palindrome (90766709).

The spelling of 40324405 in words is "forty million, three hundred twenty-four thousand, four hundred five".