40054415 has 4 divisors (see below), whose sum is σ = 48065304. Its totient is φ = 32043528.

The previous prime is 40054373. The next prime is 40054433. The reversal of 40054415 is 51445004.

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

It is a cyclic number.

It is not a de Polignac number, because 40054415 - 2⁶ = 40054351 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, 4005437 + ... + 4005446.

It is an arithmetic number, because the mean of its divisors is an integer number (12016326).

Almost surely, 2^40054415 is an apocalyptic number.

40054415 is a deficient number, since it is larger than the sum of its proper divisors (8010889).

40054415 is an equidigital number, since it uses as much as digits as its factorization.

40054415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010888.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 40054415 is about 6328.8557417593. The cubic root of 40054415 is about 342.1501996344.

Adding to 40054415 its reverse (51445004), we get a palindrome (91499419).

The spelling of 40054415 in words is "forty million, fifty-four thousand, four hundred fifteen".