33203040040 has 32 divisors (see below), whose sum is σ = 74803555080. Its totient is φ = 13264022272.

The previous prime is 33203040019. The next prime is 33203040103. The reversal of 33203040040 is 4004030233.

It can be written as a sum of positive squares in 4 ways, for example, as 17169909156 + 16033130884 = 131034^2 + 126622^2 .

It is a super-2 number, since 2×33203040040² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505999 + ... + 567838.

Almost surely, 2^33203040040 is an apocalyptic number.

It is an amenable number.

33203040040 is an abundant number, since it is smaller than the sum of its proper divisors (41600515040).

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

33203040040 is a wasteful number, since it uses less digits than its factorization.

33203040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074621 (or 1074617 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 33203040040 its reverse (4004030233), we get a palindrome (37207070273).

The spelling of 33203040040 in words is "thirty-three billion, two hundred three million, forty thousand, forty".