1151354240 has 256 divisors, whose sum is σ = 3140881920. Its totient is φ = 401178624.

The previous prime is 1151354231. The next prime is 1151354293. The reversal of 1151354240 is 424531511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10760267 + ... + 10760373.

It is an arithmetic number, because the mean of its divisors is an integer number (12269070).

Almost surely, 2^1151354240 is an apocalyptic number.

1151354240 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 1151354240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1570440960).

1151354240 is an abundant number, since it is smaller than the sum of its proper divisors (1989527680).

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

1151354240 is a wasteful number, since it uses less digits than its factorization.

1151354240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1151354240 is about 33931.6112202176. The cubic root of 1151354240 is about 1048.1006449192.

Adding to 1151354240 its reverse (424531511), we get a palindrome (1575885751).

The spelling of 1151354240 in words is "one billion, one hundred fifty-one million, three hundred fifty-four thousand, two hundred forty".