36982778456 has 128 divisors (see below), whose sum is σ = 80402112000. Its totient is φ = 15805228032.

The previous prime is 36982778411. The next prime is 36982778473. The reversal of 36982778456 is 65487728963.

It is a junction number, because it is equal to n+sod(n) for n = 36982778392 and 36982778401.

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, 18136685 + ... + 18138723.

It is an arithmetic number, because the mean of its divisors is an integer number (628141500).

Almost surely, 2^36982778456 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 36982778456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40201056000).

36982778456 is an abundant number, since it is smaller than the sum of its proper divisors (43419333544).

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

36982778456 is a wasteful number, since it uses less digits than its factorization.

36982778456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281 (or 2277 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 65.

The spelling of 36982778456 in words is "thirty-six billion, nine hundred eighty-two million, seven hundred seventy-eight thousand, four hundred fifty-six".