33426628385 has 16 divisors (see below), whose sum is σ = 41412114432. Its totient is φ = 25874788800.

The previous prime is 33426628381. The next prime is 33426628397. The reversal of 33426628385 is 58382662433.

It is not a de Polignac number, because 33426628385 - 2² = 33426628381 is a prime.

It is a super-2 number, since 2×33426628385² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33426628381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1436312 + ... + 1459398.

It is an arithmetic number, because the mean of its divisors is an integer number (2588257152).

Almost surely, 2^33426628385 is an apocalyptic number.

It is an amenable number.

33426628385 is a deficient number, since it is larger than the sum of its proper divisors (7985486047).

33426628385 is a wasteful number, since it uses less digits than its factorization.

33426628385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32464.

The product of its digits is 4976640, while the sum is 50.

The spelling of 33426628385 in words is "thirty-three billion, four hundred twenty-six million, six hundred twenty-eight thousand, three hundred eighty-five".