1988241458 has 8 divisors (see below), whose sum is σ = 3408413952. Its totient is φ = 852103476.

The previous prime is 1988241457. The next prime is 1988241461. The reversal of 1988241458 is 8541428891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1988241457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71008610 + ... + 71008637.

It is an arithmetic number, because the mean of its divisors is an integer number (426051744).

Almost surely, 2^1988241458 is an apocalyptic number.

1988241458 is a deficient number, since it is larger than the sum of its proper divisors (1420172494).

1988241458 is a wasteful number, since it uses less digits than its factorization.

1988241458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142017256.

The product of its digits is 737280, while the sum is 50.

The square root of 1988241458 is about 44589.7012548862. The cubic root of 1988241458 is about 1257.4470560179.

The spelling of 1988241458 in words is "one billion, nine hundred eighty-eight million, two hundred forty-one thousand, four hundred fifty-eight".