1151550240 has 96 divisors (see below), whose sum is σ = 3632428800. Its totient is φ = 306653184.

The previous prime is 1151550181. The next prime is 1151550289. The reversal of 1151550240 is 420551511.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1151550240.

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, 502377 + ... + 504663.

It is an arithmetic number, because the mean of its divisors is an integer number (37837800).

Almost surely, 2^1151550240 is an apocalyptic number.

1151550240 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 1151550240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1816214400).

1151550240 is an abundant number, since it is smaller than the sum of its proper divisors (2480878560).

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

1151550240 is a wasteful number, since it uses less digits than its factorization.

1151550240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354 (or 3346 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1151550240 is about 33934.4992596031. The cubic root of 1151550240 is about 1048.1601157764.

The spelling of 1151550240 in words is "one billion, one hundred fifty-one million, five hundred fifty thousand, two hundred forty".