1150404420 has 192 divisors, whose sum is σ = 3692666880. Its totient is φ = 265036800.

The previous prime is 1150404391. The next prime is 1150404427. The reversal of 1150404420 is 244040511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1150404427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1206664 + ... + 1207616.

It is an arithmetic number, because the mean of its divisors is an integer number (19232640).

Almost surely, 2^1150404420 is an apocalyptic number.

1150404420 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 1150404420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1846333440).

1150404420 is an abundant number, since it is smaller than the sum of its proper divisors (2542262460).

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

1150404420 is a wasteful number, since it uses less digits than its factorization.

1150404420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1150404420 is about 33917.6122390713. The cubic root of 1150404420 is about 1047.8123522878.

Adding to 1150404420 its reverse (244040511), we get a palindrome (1394444931).

The spelling of 1150404420 in words is "one billion, one hundred fifty million, four hundred four thousand, four hundred twenty".