3436640997856 has 48 divisors (see below), whose sum is σ = 7484924942208. Its totient is φ = 1540107990400.

The previous prime is 3436640997827. The next prime is 3436640997877. The reversal of 3436640997856 is 6587990466343.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68729830 + ... + 68779813.

It is an arithmetic number, because the mean of its divisors is an integer number (155935936296).

Almost surely, 2^{3436640997856} is an apocalyptic number.

It is an amenable number.

3436640997856 is an abundant number, since it is smaller than the sum of its proper divisors (4048283944352).

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

3436640997856 is a wasteful number, since it uses less digits than its factorization.

3436640997856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137509735 (or 137509727 counting only the distinct ones).

The product of its (nonzero) digits is 705438720, while the sum is 70.

The spelling of 3436640997856 in words is "three trillion, four hundred thirty-six billion, six hundred forty million, nine hundred ninety-seven thousand, eight hundred fifty-six".