1330155288 has 192 divisors, whose sum is σ = 4559742720. Its totient is φ = 340243200.

The previous prime is 1330155271. The next prime is 1330155289. The reversal of 1330155288 is 8825510331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330155289) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 369658 + ... + 373238.

It is an arithmetic number, because the mean of its divisors is an integer number (23748660).

Almost surely, 2^1330155288 is an apocalyptic number.

1330155288 is a gapful number since it is divisible by the number (18) 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 1330155288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2279871360).

1330155288 is an abundant number, since it is smaller than the sum of its proper divisors (3229587432).

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

1330155288 is a wasteful number, since it uses less digits than its factorization.

1330155288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678 (or 3671 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1330155288 is about 36471.2940269467. The cubic root of 1330155288 is about 1099.7672477244.

The spelling of 1330155288 in words is "one billion, three hundred thirty million, one hundred fifty-five thousand, two hundred eighty-eight".