33142256464 has 40 divisors (see below), whose sum is σ = 64499121792. Its totient is φ = 16497492480.

The previous prime is 33142256461. The next prime is 33142256549. The reversal of 33142256464 is 46465224133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33142256461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3396777 + ... + 3406519.

Almost surely, 2^33142256464 is an apocalyptic number.

It is an amenable number.

33142256464 is a deficient number, since it is larger than the sum of its proper divisors (31356865328).

33142256464 is a wasteful number, since it uses less digits than its factorization.

33142256464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10675 (or 10669 counting only the distinct ones).

The product of its digits is 414720, while the sum is 40.

The spelling of 33142256464 in words is "thirty-three billion, one hundred forty-two million, two hundred fifty-six thousand, four hundred sixty-four".