40448033 has 4 divisors (see below), whose sum is σ = 40826160. Its totient is φ = 40069908.

The previous prime is 40448029. The next prime is 40448039. The reversal of 40448033 is 33084404.

It is a happy number.

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 40448033 - 2² = 40448029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40447993 and 40448011.

It is not an unprimeable number, because it can be changed into a prime (40448039) 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, 188903 + ... + 189116.

It is an arithmetic number, because the mean of its divisors is an integer number (10206540).

Almost surely, 2^40448033 is an apocalyptic number.

It is an amenable number.

40448033 is a deficient number, since it is larger than the sum of its proper divisors (378127).

40448033 is a wasteful number, since it uses less digits than its factorization.

40448033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378126.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40448033 is about 6359.8768069830. The cubic root of 40448033 is about 343.2673275150.

The spelling of 40448033 in words is "forty million, four hundred forty-eight thousand, thirty-three".