458840742 has 8 divisors (see below), whose sum is σ = 917681496. Its totient is φ = 152946912.

The previous prime is 458840741. The next prime is 458840773. The reversal of 458840742 is 247048854.

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

458840742 is an admirable number.

It is a super-2 number, since 2×458840742² = 421069653038221128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 458840694 and 458840703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (458840741) 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, 38236723 + ... + 38236734.

It is an arithmetic number, because the mean of its divisors is an integer number (114710187).

Almost surely, 2^458840742 is an apocalyptic number.

458840742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

458840742 is a wasteful number, since it uses less digits than its factorization.

458840742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76473462.

The product of its (nonzero) digits is 286720, while the sum is 42.

The square root of 458840742 is about 21420.5681997467. The cubic root of 458840742 is about 771.2952518089.

The spelling of 458840742 in words is "four hundred fifty-eight million, eight hundred forty thousand, seven hundred forty-two".