1190404260 has 288 divisors, whose sum is σ = 3995671680. Its totient is φ = 285659136.

The previous prime is 1190404249. The next prime is 1190404289. The reversal of 1190404260 is 624040911.

It is a super-2 number, since 2×1190404260² = 2834124604452295200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10921086 + ... + 10921194.

It is an arithmetic number, because the mean of its divisors is an integer number (13873860).

Almost surely, 2^1190404260 is an apocalyptic number.

1190404260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1190404260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997835840).

1190404260 is an abundant number, since it is smaller than the sum of its proper divisors (2805267420).

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

1190404260 is a wasteful number, since it uses less digits than its factorization.

1190404260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1190404260 is about 34502.2355797418. The cubic root of 1190404260 is about 1059.8184867789.

It can be divided in two parts, 1190 and 404260, that added together give a triangular number (405450 = T₉₀₀).

The spelling of 1190404260 in words is "one billion, one hundred ninety million, four hundred four thousand, two hundred sixty".