488251842 has 64 divisors (see below), whose sum is σ = 1084406400. Its totient is φ = 145603584.

The previous prime is 488251789. The next prime is 488251861. The reversal of 488251842 is 248152884.

It is a super-2 number, since 2×488251842² = 476779722432785928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 488251794 and 488251803.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499258 + ... + 500234.

It is an arithmetic number, because the mean of its divisors is an integer number (16943850).

Almost surely, 2^488251842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 488251842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542203200).

488251842 is an abundant number, since it is smaller than the sum of its proper divisors (596154558).

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

488251842 is a wasteful number, since it uses less digits than its factorization.

488251842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187.

The product of its digits is 163840, while the sum is 42.

The square root of 488251842 is about 22096.4214749810. The cubic root of 488251842 is about 787.4348471167.

The spelling of 488251842 in words is "four hundred eighty-eight million, two hundred fifty-one thousand, eight hundred forty-two".