1151890488 has 192 divisors, whose sum is σ = 3797876160. Its totient is φ = 307888128.

The previous prime is 1151890463. The next prime is 1151890507. The reversal of 1151890488 is 8840981511.

1151890488 is a `hidden beast` number, since 1 + 1 + 518 + 90 + 48 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1996056 + ... + 1996632.

It is an arithmetic number, because the mean of its divisors is an integer number (19780605).

Almost surely, 2^1151890488 is an apocalyptic number.

1151890488 is a gapful number since it is divisible by the number (18) 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 1151890488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1898938080).

1151890488 is an abundant number, since it is smaller than the sum of its proper divisors (2645985672).

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

1151890488 is a wasteful number, since it uses less digits than its factorization.

1151890488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 45.

The square root of 1151890488 is about 33939.5121944910. The cubic root of 1151890488 is about 1048.2633387337.

The spelling of 1151890488 in words is "one billion, one hundred fifty-one million, eight hundred ninety thousand, four hundred eighty-eight".