56778356040 has 192 divisors, whose sum is σ = 198272448000. Its totient is φ = 12969556992.

The previous prime is 56778356023. The next prime is 56778356081. The reversal of 56778356040 is 4065387765.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17926537 + ... + 17929703.

It is an arithmetic number, because the mean of its divisors is an integer number (1032669000).

Almost surely, 2^56778356040 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 56778356040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99136224000).

56778356040 is an abundant number, since it is smaller than the sum of its proper divisors (141494091960).

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

56778356040 is a wasteful number, since it uses less digits than its factorization.

56778356040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6244 (or 6233 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 56778356040 in words is "fifty-six billion, seven hundred seventy-eight million, three hundred fifty-six thousand, forty".