1941776980 has 48 divisors (see below), whose sum is σ = 4790628864. Its totient is φ = 651784320.

The previous prime is 1941776957. The next prime is 1941776981. The reversal of 1941776980 is 896771491.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941776981) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 336612 + ... + 342331.

It is an arithmetic number, because the mean of its divisors is an integer number (99804768).

Almost surely, 2^1941776980 is an apocalyptic number.

1941776980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1941776980 is an abundant number, since it is smaller than the sum of its proper divisors (2848851884).

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

1941776980 is a wasteful number, since it uses less digits than its factorization.

1941776980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678976 (or 678974 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 52.

The square root of 1941776980 is about 44065.5986002687. The cubic root of 1941776980 is about 1247.5743852256.

The spelling of 1941776980 in words is "one billion, nine hundred forty-one million, seven hundred seventy-six thousand, nine hundred eighty".