1940950656 has 96 divisors (see below), whose sum is σ = 5913893700. Its totient is φ = 608919552.

The previous prime is 1940950589. The next prime is 1940950663. The reversal of 1940950656 is 6560590491.

It is a happy number.

1940950656 is a `hidden beast` number, since 1 + 94 + 0 + 9 + 506 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1782190656 + 158760000 = 42216^2 + 12600^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29971 + ... + 69138.

Almost surely, 2^1940950656 is an apocalyptic number.

1940950656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1940950656 is an abundant number, since it is smaller than the sum of its proper divisors (3972943044).

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

1940950656 is a wasteful number, since it uses less digits than its factorization.

1940950656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99146 (or 99131 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 1940950656 is about 44056.2215356696. The cubic root of 1940950656 is about 1247.3973915174.

The spelling of 1940950656 in words is "one billion, nine hundred forty million, nine hundred fifty thousand, six hundred fifty-six".