1018974330 has 224 divisors, whose sum is σ = 3054034368. Its totient is φ = 242611200.

The previous prime is 1018974323. The next prime is 1018974337. The reversal of 1018974330 is 334798101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1018974323) and next prime (1018974337).

It is not an unprimeable number, because it can be changed into a prime (1018974337) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 7778365 + ... + 7778495.

It is an arithmetic number, because the mean of its divisors is an integer number (13634082).

Almost surely, 2^1018974330 is an apocalyptic number.

1018974330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1018974330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1527017184).

1018974330 is an abundant number, since it is smaller than the sum of its proper divisors (2035060038).

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

1018974330 is a wasteful number, since it uses less digits than its factorization.

1018974330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1018974330 is about 31921.3773199090. The cubic root of 1018974330 is about 1006.2851902871.

The spelling of 1018974330 in words is "one billion, eighteen million, nine hundred seventy-four thousand, three hundred thirty".