5705401998 has 64 divisors (see below), whose sum is σ = 11903044608. Its totient is φ = 1821605760.

The previous prime is 5705401991. The next prime is 5705402009. The reversal of 5705401998 is 8991045075.

It is a super-2 number, since 2×5705401998² = 65103223917564784008, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5705401991) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4298811 + ... + 4300137.

It is an arithmetic number, because the mean of its divisors is an integer number (185985072).

Almost surely, 2^5705401998 is an apocalyptic number.

5705401998 is an abundant number, since it is smaller than the sum of its proper divisors (6197642610).

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

5705401998 is a wasteful number, since it uses less digits than its factorization.

5705401998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 5705401998 is about 75534.1114861359. Note that the first 3 decimals coincide. The cubic root of 5705401998 is about 1786.8801180358.

The spelling of 5705401998 in words is "five billion, seven hundred five million, four hundred one thousand, nine hundred ninety-eight".