1188058240428 has 96 divisors (see below), whose sum is σ = 2876154408960. Its totient is φ = 381241244160.

The previous prime is 1188058240427. The next prime is 1188058240471. The reversal of 1188058240428 is 8240428508811.

It is a super-2 number, since 2×1188058240428² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1188058240427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350354613 + ... + 350358003.

It is an arithmetic number, because the mean of its divisors is an integer number (29959941760).

Almost surely, 2^{1188058240428} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1188058240428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1438077204480).

1188058240428 is an abundant number, since it is smaller than the sum of its proper divisors (1688096168532).

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

1188058240428 is a wasteful number, since it uses less digits than its factorization.

1188058240428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6087 (or 6085 counting only the distinct ones).

The product of its (nonzero) digits is 1310720, while the sum is 51.

The spelling of 1188058240428 in words is "one trillion, one hundred eighty-eight billion, fifty-eight million, two hundred forty thousand, four hundred twenty-eight".