1190538860940 has 432 divisors, whose sum is σ = 4279812124224. Its totient is φ = 266101355520.

The previous prime is 1190538860923. The next prime is 1190538860983. The reversal of 1190538860940 is 490688350911.

1190538860940 is a `hidden beast` number, since 1 + 1 + 9 + 0 + 538 + 8 + 60 + 9 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 309470097 + ... + 309473943.

Almost surely, 2^{1190538860940} is an apocalyptic number.

1190538860940 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 1190538860940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2139906062112).

1190538860940 is an abundant number, since it is smaller than the sum of its proper divisors (3089273263284).

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

1190538860940 is a wasteful number, since it uses less digits than its factorization.

1190538860940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990 (or 4974 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 1190538860940 in words is "one trillion, one hundred ninety billion, five hundred thirty-eight million, eight hundred sixty thousand, nine hundred forty".