1174006142838 has 80 divisors (see below), whose sum is σ = 2716284092544. Its totient is φ = 378602709120.

The previous prime is 1174006142833. The next prime is 1174006142851. The reversal of 1174006142838 is 8382416004711.

1174006142838 is a `hidden beast` number, since 1 + 1 + 7 + 4 + 0 + 0 + 614 + 28 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1174006142793 and 1174006142802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1174006142833) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18434106 + ... + 18497682.

Almost surely, 2^{1174006142838} is an apocalyptic number.

1174006142838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1174006142838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358142046272).

1174006142838 is an abundant number, since it is smaller than the sum of its proper divisors (1542277949706).

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

1174006142838 is a wasteful number, since it uses less digits than its factorization.

1174006142838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67299 (or 67290 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 1174006142838 in words is "one trillion, one hundred seventy-four billion, six million, one hundred forty-two thousand, eight hundred thirty-eight".