4194491280 has 80 divisors (see below), whose sum is σ = 14860489344. Its totient is φ = 958740480.

The previous prime is 4194491269. The next prime is 4194491291. The reversal of 4194491280 is 821944914.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4194491269) and next prime (4194491291).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1246681 + ... + 1250040.

Almost surely, 2^4194491280 is an apocalyptic number.

4194491280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4194491280 is an abundant number, since it is smaller than the sum of its proper divisors (10665998064).

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

4194491280 is a wasteful number, since it uses less digits than its factorization.

4194491280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496744 (or 2496738 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 4194491280 is about 64764.8923414530. The cubic root of 4194491280 is about 1612.7229463986.

The spelling of 4194491280 in words is "four billion, one hundred ninety-four million, four hundred ninety-one thousand, two hundred eighty".