33142620406556 has 24 divisors (see below), whose sum is σ = 61421667143760. Its totient is φ = 15593900940032.

The previous prime is 33142620406507. The next prime is 33142620406559. The reversal of 33142620406556 is 65560402624133.

It is a super-2 number, since 2×33142620406556² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33142620406556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33142620406559) 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, 40629275 + ... + 41436978.

It is an arithmetic number, because the mean of its divisors is an integer number (2559236130990).

Almost surely, 2^{33142620406556} is an apocalyptic number.

It is an amenable number.

33142620406556 is a deficient number, since it is larger than the sum of its proper divisors (28279046737204).

33142620406556 is a wasteful number, since it uses less digits than its factorization.

33142620406556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82072213 (or 82072211 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 33142620406556 in words is "thirty-three trillion, one hundred forty-two billion, six hundred twenty million, four hundred six thousand, five hundred fifty-six".