396750506544 has 120 divisors (see below), whose sum is σ = 1271863873280. Its totient is φ = 113098944384.

The previous prime is 396750506539. The next prime is 396750506567. The reversal of 396750506544 is 445605057693.

396750506544 is a `hidden beast` number, since 3 + 96 + 7 + 5 + 0 + 5 + 0 + 6 + 544 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5782 + ... + 890805.

Almost surely, 2^396750506544 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 396750506544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635931936640).

396750506544 is an abundant number, since it is smaller than the sum of its proper divisors (875113366736).

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

396750506544 is a wasteful number, since it uses less digits than its factorization.

396750506544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897047 (or 897038 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 54.

The spelling of 396750506544 in words is "three hundred ninety-six billion, seven hundred fifty million, five hundred six thousand, five hundred forty-four".