67033374040 has 32 divisors (see below), whose sum is σ = 153076218480. Its totient is φ = 26413149312.

The previous prime is 67033373977. The next prime is 67033374043. The reversal of 67033374040 is 4047333076.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67033374043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12503547 + ... + 12508906.

Almost surely, 2^67033374040 is an apocalyptic number.

It is an amenable number.

67033374040 is an abundant number, since it is smaller than the sum of its proper divisors (86042844440).

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

67033374040 is a wasteful number, since it uses less digits than its factorization.

67033374040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25012531 (or 25012527 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 37.

The spelling of 67033374040 in words is "sixty-seven billion, thirty-three million, three hundred seventy-four thousand, forty".