1956020402912 has 192 divisors, whose sum is σ = 4199477280768. Its totient is φ = 894136320000.

The previous prime is 1956020402909. The next prime is 1956020402927. The reversal of 1956020402912 is 2192040206591.

It is a self number, because there is not a number n which added to its sum of digits gives 1956020402912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 698327912 + ... + 698330712.

It is an arithmetic number, because the mean of its divisors is an integer number (21872277504).

Almost surely, 2^{1956020402912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1956020402912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2099738640384).

1956020402912 is an abundant number, since it is smaller than the sum of its proper divisors (2243456877856).

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

1956020402912 is a wasteful number, since it uses less digits than its factorization.

1956020402912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233 (or 3225 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 1956020402912 in words is "one trillion, nine hundred fifty-six billion, twenty million, four hundred two thousand, nine hundred twelve".