42724024898 has 4 divisors (see below), whose sum is σ = 64086037350. Its totient is φ = 21362012448.

The previous prime is 42724024843. The next prime is 42724024901. The reversal of 42724024898 is 89842042724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38432857849 + 4291167049 = 196043^2 + 65507^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10681006223 + ... + 10681006226.

Almost surely, 2^42724024898 is an apocalyptic number.

42724024898 is a deficient number, since it is larger than the sum of its proper divisors (21362012452).

42724024898 is a wasteful number, since it uses less digits than its factorization.

42724024898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21362012451.

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 42724024898 in words is "forty-two billion, seven hundred twenty-four million, twenty-four thousand, eight hundred ninety-eight".