1994410780 has 36 divisors (see below), whose sum is σ = 4205428920. Its totient is φ = 794506048.

The previous prime is 1994410757. The next prime is 1994410783. The reversal of 1994410780 is 870144991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994410783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3026091 + ... + 3026749.

It is an arithmetic number, because the mean of its divisors is an integer number (116817470).

Almost surely, 2^1994410780 is an apocalyptic number.

1994410780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1994410780 is an abundant number, since it is smaller than the sum of its proper divisors (2211018140).

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

1994410780 is an equidigital number, since it uses as much as digits as its factorization.

1994410780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 1994410780 is about 44658.8264512179. The cubic root of 1994410780 is about 1258.7462922294.

The spelling of 1994410780 in words is "one billion, nine hundred ninety-four million, four hundred ten thousand, seven hundred eighty".