1018890424 has 32 divisors (see below), whose sum is σ = 1933308000. Its totient is φ = 503363200.

The previous prime is 1018890403. The next prime is 1018890443. The reversal of 1018890424 is 4240988101.

1018890424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1018890424² = 2076275392237799552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521802 + ... + 523750.

It is an arithmetic number, because the mean of its divisors is an integer number (60415875).

Almost surely, 2^1018890424 is an apocalyptic number.

It is an amenable number.

1018890424 is a deficient number, since it is larger than the sum of its proper divisors (914417576).

1018890424 is a wasteful number, since it uses less digits than its factorization.

1018890424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703 (or 2699 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 1018890424 is about 31920.0630325192. The cubic root of 1018890424 is about 1006.2575691521.

The spelling of 1018890424 in words is "one billion, eighteen million, eight hundred ninety thousand, four hundred twenty-four".