33390459646 has 16 divisors (see below), whose sum is σ = 50941123200. Its totient is φ = 16410157848.

The previous prime is 33390459637. The next prime is 33390459649. The reversal of 33390459646 is 64695409333.

It is a super-2 number, since 2×33390459646² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33390459593 and 33390459602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33390459649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330765 + ... + 1355623.

It is an arithmetic number, because the mean of its divisors is an integer number (3183820200).

Almost surely, 2^33390459646 is an apocalyptic number.

33390459646 is a deficient number, since it is larger than the sum of its proper divisors (17550663554).

33390459646 is a wasteful number, since it uses less digits than its factorization.

33390459646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36303.

The product of its (nonzero) digits is 6298560, while the sum is 52.

The spelling of 33390459646 in words is "thirty-three billion, three hundred ninety million, four hundred fifty-nine thousand, six hundred forty-six".