40554413 has 4 divisors (see below), whose sum is σ = 41067840. Its totient is φ = 40040988.

The previous prime is 40554407. The next prime is 40554427. The reversal of 40554413 is 31445504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40554413 - 2¹² = 40550317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40554403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256595 + ... + 256752.

It is an arithmetic number, because the mean of its divisors is an integer number (10266960).

Almost surely, 2^40554413 is an apocalyptic number.

It is an amenable number.

40554413 is a deficient number, since it is larger than the sum of its proper divisors (513427).

40554413 is an equidigital number, since it uses as much as digits as its factorization.

40554413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513426.

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

The square root of 40554413 is about 6368.2346847458. The cubic root of 40554413 is about 343.5679998324.

Adding to 40554413 its reverse (31445504), we get a palindrome (71999917).

The spelling of 40554413 in words is "forty million, five hundred fifty-four thousand, four hundred thirteen".