1138480422660 has 576 divisors, whose sum is σ = 4188050576640. Its totient is φ = 259166428416.

The previous prime is 1138480422643. The next prime is 1138480422683. The reversal of 1138480422660 is 662240848311.

1138480422660 is a `hidden beast` number, since 1 + 1 + 384 + 8 + 0 + 4 + 2 + 266 + 0 = 666.

It is a super-2 number, since 2×1138480422660² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 606541642 + ... + 606543518.

It is an arithmetic number, because the mean of its divisors is an integer number (7270921140).

Almost surely, 2^{1138480422660} is an apocalyptic number.

1138480422660 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 1138480422660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2094025288320).

1138480422660 is an abundant number, since it is smaller than the sum of its proper divisors (3049570153980).

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

1138480422660 is a wasteful number, since it uses less digits than its factorization.

1138480422660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 1138480422660 in words is "one trillion, one hundred thirty-eight billion, four hundred eighty million, four hundred twenty-two thousand, six hundred sixty".