1018731468 has 24 divisors (see below), whose sum is σ = 2377623472. Its totient is φ = 339493824.

The previous prime is 1018731457. The next prime is 1018731473. The reversal of 1018731468 is 8641378101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59046 + ... + 74322.

Almost surely, 2^1018731468 is an apocalyptic number.

It is an amenable number.

1018731468 is an abundant number, since it is smaller than the sum of its proper divisors (1358892004).

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

1018731468 is a wasteful number, since it uses less digits than its factorization.

1018731468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20841 (or 20839 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 1018731468 is about 31917.5730280358. The cubic root of 1018731468 is about 1006.2052380433.

The spelling of 1018731468 in words is "one billion, eighteen million, seven hundred thirty-one thousand, four hundred sixty-eight".