1156524480 has 336 divisors, whose sum is σ = 4193804160. Its totient is φ = 303326208.

The previous prime is 1156524449. The next prime is 1156524487. The reversal of 1156524480 is 844256511.

It is a happy number.

1156524480 is a `hidden beast` number, since 1 + 1 + 56 + 524 + 4 + 80 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156524487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8320251 + ... + 8320389.

It is an arithmetic number, because the mean of its divisors is an integer number (12481560).

Almost surely, 2^1156524480 is an apocalyptic number.

1156524480 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 1156524480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2096902080).

1156524480 is an abundant number, since it is smaller than the sum of its proper divisors (3037279680).

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

1156524480 is a wasteful number, since it uses less digits than its factorization.

1156524480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1156524480 is about 34007.7120665299. The cubic root of 1156524480 is about 1049.6671598100.

The spelling of 1156524480 in words is "one billion, one hundred fifty-six million, five hundred twenty-four thousand, four hundred eighty".