1195490384420 has 24 divisors (see below), whose sum is σ = 2511426222648. Its totient is φ = 478025408000.

The previous prime is 1195490384399. The next prime is 1195490384437. The reversal of 1195490384420 is 244830945911.

It can be written as a sum of positive squares in 4 ways, for example, as 42512666596 + 1152977717824 = 206186^2 + 1073768^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10614191 + ... + 10726230.

It is an arithmetic number, because the mean of its divisors is an integer number (104642759277).

Almost surely, 2^{1195490384420} is an apocalyptic number.

1195490384420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1195490384420 is an abundant number, since it is smaller than the sum of its proper divisors (1315935838228).

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

1195490384420 is a wasteful number, since it uses less digits than its factorization.

1195490384420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21343231 (or 21343229 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 1195490384420 in words is "one trillion, one hundred ninety-five billion, four hundred ninety million, three hundred eighty-four thousand, four hundred twenty".