1960390656 has 312 divisors, whose sum is σ = 6624094464. Its totient is φ = 547061760.

The previous prime is 1960390651. The next prime is 1960390673. The reversal of 1960390656 is 6560930691.

It is a super-2 number, since 2×1960390656² = 7686263048264220672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1960390651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18321355 + ... + 18321461.

It is an arithmetic number, because the mean of its divisors is an integer number (21231072).

Almost surely, 2^1960390656 is an apocalyptic number.

1960390656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1960390656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3312047232).

1960390656 is an abundant number, since it is smaller than the sum of its proper divisors (4663703808).

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

1960390656 is a wasteful number, since it uses less digits than its factorization.

1960390656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 1960390656 is about 44276.2990323265. The cubic root of 1960390656 is about 1251.5480885593.

The spelling of 1960390656 in words is "one billion, nine hundred sixty million, three hundred ninety thousand, six hundred fifty-six".