1159952640 has 288 divisors, whose sum is σ = 4619897856. Its totient is φ = 240967680.

The previous prime is 1159952611. The next prime is 1159952657. The reversal of 1159952640 is 462599511.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1159952592 and 1159952601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293719 + ... + 297641.

It is an arithmetic number, because the mean of its divisors is an integer number (16041312).

Almost surely, 2^1159952640 is an apocalyptic number.

1159952640 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 1159952640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2309948928).

1159952640 is an abundant number, since it is smaller than the sum of its proper divisors (3459945216).

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

1159952640 is a wasteful number, since it uses less digits than its factorization.

1159952640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965 (or 3951 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 1159952640 is about 34058.0774560162. The cubic root of 1159952640 is about 1050.7032748832.

The spelling of 1159952640 in words is "one billion, one hundred fifty-nine million, nine hundred fifty-two thousand, six hundred forty".