1156048628 has 48 divisors (see below), whose sum is σ = 2373694848. Its totient is φ = 482304000.

The previous prime is 1156048627. The next prime is 1156048631. The reversal of 1156048628 is 8268406511.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156048627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735083 + ... + 736653.

It is an arithmetic number, because the mean of its divisors is an integer number (49451976).

Almost surely, 2^1156048628 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 1156048628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1186847424).

1156048628 is an abundant number, since it is smaller than the sum of its proper divisors (1217646220).

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

1156048628 is a wasteful number, since it uses less digits than its factorization.

1156048628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264 (or 2262 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 1156048628 is about 34000.7151101267. The cubic root of 1156048628 is about 1049.5231782094.

The spelling of 1156048628 in words is "one billion, one hundred fifty-six million, forty-eight thousand, six hundred twenty-eight".