1151696940 has 96 divisors (see below), whose sum is σ = 3398685696. Its totient is φ = 290822400.

The previous prime is 1151696911. The next prime is 1151696947. The reversal of 1151696940 is 496961511.

It is a junction number, because it is equal to n+sod(n) for n = 1151696892 and 1151696901.

It is not an unprimeable number, because it can be changed into a prime (1151696947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135249 + ... + 143511.

It is an arithmetic number, because the mean of its divisors is an integer number (35402976).

Almost surely, 2^1151696940 is an apocalyptic number.

1151696940 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 1151696940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1699342848).

1151696940 is an abundant number, since it is smaller than the sum of its proper divisors (2246988756).

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

1151696940 is a wasteful number, since it uses less digits than its factorization.

1151696940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8399 (or 8397 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 1151696940 is about 33936.6607078540. The cubic root of 1151696940 is about 1048.2046234770.

The spelling of 1151696940 in words is "one billion, one hundred fifty-one million, six hundred ninety-six thousand, nine hundred forty".