40799573 has 2 divisors, whose sum is σ = 40799574. Its totient is φ = 40799572.

The previous prime is 40799569. The next prime is 40799587. The reversal of 40799573 is 37599704.

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., 38217124 + 2582449 = 6182^2 + 1607^2 .

It is a cyclic number.

It is not a de Polignac number, because 40799573 - 2² = 40799569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40799873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20399786 + 20399787.

It is an arithmetic number, because the mean of its divisors is an integer number (20399787).

Almost surely, 2^40799573 is an apocalyptic number.

It is an amenable number.

40799573 is a deficient number, since it is larger than the sum of its proper divisors (1).

40799573 is an equidigital number, since it uses as much as digits as its factorization.

40799573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 40799573 is about 6387.4543442595. The cubic root of 40799573 is about 344.2589231683.

The spelling of 40799573 in words is "forty million, seven hundred ninety-nine thousand, five hundred seventy-three".