1196618540 has 48 divisors (see below), whose sum is σ = 2709842688. Its totient is φ = 441233664.

The previous prime is 1196618531. The next prime is 1196618573. The reversal of 1196618540 is 458166911.

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, 221714 + ... + 227046.

It is an arithmetic number, because the mean of its divisors is an integer number (56455056).

Almost surely, 2^1196618540 is an apocalyptic number.

1196618540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1196618540 is an abundant number, since it is smaller than the sum of its proper divisors (1513224148).

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

1196618540 is a wasteful number, since it uses less digits than its factorization.

1196618540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218 (or 6216 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 1196618540 is about 34592.1745485883. The cubic root of 1196618540 is about 1061.6594808657.

The spelling of 1196618540 in words is "one billion, one hundred ninety-six million, six hundred eighteen thousand, five hundred forty".