1190849400 has 144 divisors (see below), whose sum is σ = 4306989960. Its totient is φ = 293126400.

The previous prime is 1190849323. The next prime is 1190849419. The reversal of 1190849400 is 49480911.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2046 + ... + 48845.

Almost surely, 2^1190849400 is an apocalyptic number.

1190849400 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 1190849400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2153494980).

1190849400 is an abundant number, since it is smaller than the sum of its proper divisors (3116140560).

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

1190849400 is a wasteful number, since it uses less digits than its factorization.

1190849400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50926 (or 50914 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1190849400 is about 34508.6858631273. The cubic root of 1190849400 is about 1059.9505732263.

The spelling of 1190849400 in words is "one billion, one hundred ninety million, eight hundred forty-nine thousand, four hundred".