1996277380 has 24 divisors (see below), whose sum is σ = 4219951680. Its totient is φ = 793221600.

The previous prime is 1996277369. The next prime is 1996277401. The reversal of 1996277380 is 837726991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327490 + ... + 333529.

It is an arithmetic number, because the mean of its divisors is an integer number (175831320).

Almost surely, 2^1996277380 is an apocalyptic number.

1996277380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1996277380 is an abundant number, since it is smaller than the sum of its proper divisors (2223674300).

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

1996277380 is a wasteful number, since it uses less digits than its factorization.

1996277380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661179 (or 661177 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 1996277380 is about 44679.7200080753. The cubic root of 1996277380 is about 1259.1388631802.

The spelling of 1996277380 in words is "one billion, nine hundred ninety-six million, two hundred seventy-seven thousand, three hundred eighty".