1185350423040 has 1440 divisors, whose sum is σ = 5090992530624. Its totient is φ = 263363788800.

The previous prime is 1185350423017. The next prime is 1185350423057. The reversal of 1185350423040 is 403240535811.

1185350423040 is a `hidden beast` number, since 1 + 1 + 85 + 3 + 504 + 2 + 30 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a super-2 number, since 2×1185350423040² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1185350422986 and 1185350423004.

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, 1127830515 + ... + 1127831565.

Almost surely, 2^{1185350423040} is an apocalyptic number.

1185350423040 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 1185350423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2545496265312).

1185350423040 is an abundant number, since it is smaller than the sum of its proper divisors (3905642107584).

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

1185350423040 is an equidigital number, since it uses as much as digits as its factorization.

1185350423040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 1185350423040 its reverse (403240535811), we get a palindrome (1588590958851).

The spelling of 1185350423040 in words is "one trillion, one hundred eighty-five billion, three hundred fifty million, four hundred twenty-three thousand, forty".