33040425340 has 48 divisors (see below), whose sum is σ = 75000129120. Its totient is φ = 12154164480.

The previous prime is 33040425323. The next prime is 33040425367. The reversal of 33040425340 is 4352404033.

It is a super-2 number, since 2×33040425340² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33040425299 and 33040425308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166266 + ... + 306145.

It is an arithmetic number, because the mean of its divisors is an integer number (1562502690).

Almost surely, 2^33040425340 is an apocalyptic number.

It is an amenable number.

33040425340 is an abundant number, since it is smaller than the sum of its proper divisors (41959703780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33040425340 is a wasteful number, since it uses less digits than its factorization.

33040425340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472702 (or 472700 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 33040425340 its reverse (4352404033), we get a palindrome (37392829373).

The spelling of 33040425340 in words is "thirty-three billion, forty million, four hundred twenty-five thousand, three hundred forty".