40521033433 has 8 divisors (see below), whose sum is σ = 40640916096. Its totient is φ = 40401303600.

The previous prime is 40521033419. The next prime is 40521033463. The reversal of 40521033433 is 33433012504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40521033433 - 2⁵ = 40521033401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40521033463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504163 + ... + 578983.

It is an arithmetic number, because the mean of its divisors is an integer number (5080114512).

Almost surely, 2^40521033433 is an apocalyptic number.

It is an amenable number.

40521033433 is a deficient number, since it is larger than the sum of its proper divisors (119882663).

40521033433 is a wasteful number, since it uses less digits than its factorization.

40521033433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76415.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 40521033433 its reverse (33433012504), we get a palindrome (73954045937).

The spelling of 40521033433 in words is "forty billion, five hundred twenty-one million, thirty-three thousand, four hundred thirty-three".