33740037040 has 20 divisors (see below), whose sum is σ = 78445586304. Its totient is φ = 13496014784.

The previous prime is 33740037029. The next prime is 33740037061. The reversal of 33740037040 is 4073004733.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×33740037040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33740036993 and 33740037011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210875152 + ... + 210875311.

Almost surely, 2^33740037040 is an apocalyptic number.

It is an amenable number.

33740037040 is an abundant number, since it is smaller than the sum of its proper divisors (44705549264).

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

33740037040 is a wasteful number, since it uses less digits than its factorization.

33740037040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421750476 (or 421750470 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 31.

The spelling of 33740037040 in words is "thirty-three billion, seven hundred forty million, thirty-seven thousand, forty".