1042813998 has 24 divisors (see below), whose sum is σ = 2260316448. Its totient is φ = 347468352.

The previous prime is 1042813973. The next prime is 1042814011. The reversal of 1042813998 is 8993182401.

1042813998 is a `hidden beast` number, since 1 + 0 + 428 + 139 + 98 = 666.

It is a super-2 number, since 2×1042813998² = 2174922068849488008, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42790 + ... + 62582.

It is an arithmetic number, because the mean of its divisors is an integer number (94179852).

Almost surely, 2^1042813998 is an apocalyptic number.

1042813998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1042813998 is an abundant number, since it is smaller than the sum of its proper divisors (1217502450).

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

1042813998 is a wasteful number, since it uses less digits than its factorization.

1042813998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22728 (or 22725 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 1042813998 is about 32292.6307073301. The cubic root of 1042813998 is about 1014.0723720855.

The spelling of 1042813998 in words is "one billion, forty-two million, eight hundred thirteen thousand, nine hundred ninety-eight".