33240522645 has 48 divisors (see below), whose sum is σ = 65587646592. Its totient is φ = 15415889280.

The previous prime is 33240522641. The next prime is 33240522649. The reversal of 33240522645 is 54622504233.

33240522645 is a `hidden beast` number, since 3 + 3 + 2 + 4 + 0 + 5 + 2 + 2 + 645 = 666.

It is an interprime number because it is at equal distance from previous prime (33240522641) and next prime (33240522649).

It is not a de Polignac number, because 33240522645 - 2² = 33240522641 is a prime.

It is a super-2 number, since 2×33240522645² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33240522641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1448454 + ... + 1471223.

It is an arithmetic number, because the mean of its divisors is an integer number (1366409304).

Almost surely, 2^33240522645 is an apocalyptic number.

It is an amenable number.

33240522645 is a deficient number, since it is larger than the sum of its proper divisors (32347123947).

33240522645 is a wasteful number, since it uses less digits than its factorization.

33240522645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919722 (or 2919719 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 33240522645 in words is "thirty-three billion, two hundred forty million, five hundred twenty-two thousand, six hundred forty-five".