242400458 has 8 divisors (see below), whose sum is σ = 369561540. Its totient is φ = 119213280.

The previous prime is 242400443. The next prime is 242400463. The reversal of 242400458 is 854004242.

It can be written as a sum of positive squares in 2 ways, for example, as 182601169 + 59799289 = 13513^2 + 7733^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 242400458.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993323 + ... + 993566.

Almost surely, 2^242400458 is an apocalyptic number.

242400458 is a deficient number, since it is larger than the sum of its proper divisors (127161082).

242400458 is a wasteful number, since it uses less digits than its factorization.

242400458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986952.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 242400458 is about 15569.2150733427. The cubic root of 242400458 is about 623.5115153691.

The spelling of 242400458 in words is "two hundred forty-two million, four hundred thousand, four hundred fifty-eight".