40554629 has 2 divisors, whose sum is σ = 40554630. Its totient is φ = 40554628.

The previous prime is 40554623. The next prime is 40554667. The reversal of 40554629 is 92645504.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23522500 + 17032129 = 4850^2 + 4127^2 .

It is a cyclic number.

It is not a de Polignac number, because 40554629 - 2¹² = 40550533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40554623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20277314 + 20277315.

It is an arithmetic number, because the mean of its divisors is an integer number (20277315).

Almost surely, 2^40554629 is an apocalyptic number.

It is an amenable number.

40554629 is a deficient number, since it is larger than the sum of its proper divisors (1).

40554629 is an equidigital number, since it uses as much as digits as its factorization.

40554629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 40554629 is about 6368.2516438972. The cubic root of 40554629 is about 343.5686097994.

The spelling of 40554629 in words is "forty million, five hundred fifty-four thousand, six hundred twenty-nine".