40533398 has 4 divisors (see below), whose sum is σ = 60800100. Its totient is φ = 20266698.

The previous prime is 40533397. The next prime is 40533401. The reversal of 40533398 is 89333504.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40533397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10133348 + ... + 10133351.

It is an arithmetic number, because the mean of its divisors is an integer number (15200025).

Almost surely, 2^40533398 is an apocalyptic number.

40533398 is a deficient number, since it is larger than the sum of its proper divisors (20266702).

40533398 is a wasteful number, since it uses less digits than its factorization.

40533398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20266701.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 40533398 is about 6366.5844846354. The cubic root of 40533398 is about 343.5086447711.

The spelling of 40533398 in words is "forty million, five hundred thirty-three thousand, three hundred ninety-eight".