40552431 has 8 divisors (see below), whose sum is σ = 54831744. Its totient is φ = 26654040.

The previous prime is 40552417. The next prime is 40552451. The reversal of 40552431 is 13425504.

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

It is not a de Polignac number, because 40552431 - 2¹⁹ = 40028143 is a prime.

It is a super-2 number, since 2×40552431² = 3288999320019522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40552451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94981 + ... + 95406.

It is an arithmetic number, because the mean of its divisors is an integer number (6853968).

Almost surely, 2^40552431 is an apocalyptic number.

40552431 is a deficient number, since it is larger than the sum of its proper divisors (14279313).

40552431 is a wasteful number, since it uses less digits than its factorization.

40552431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190461.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40552431 is about 6368.0790667202. The cubic root of 40552431 is about 343.5624027196.

Adding to 40552431 its reverse (13425504), we get a palindrome (53977935).

The spelling of 40552431 in words is "forty million, five hundred fifty-two thousand, four hundred thirty-one".