248490781430 has 64 divisors (see below), whose sum is σ = 483230562048. Its totient is φ = 91651123200.

The previous prime is 248490781423. The next prime is 248490781453. The reversal of 248490781430 is 34187094842.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6296339 + ... + 6335681.

It is an arithmetic number, because the mean of its divisors is an integer number (7550477532).

Almost surely, 2^248490781430 is an apocalyptic number.

248490781430 is a deficient number, since it is larger than the sum of its proper divisors (234739780618).

248490781430 is a wasteful number, since it uses less digits than its factorization.

248490781430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40121.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 248490781430 in words is "two hundred forty-eight billion, four hundred ninety million, seven hundred eighty-one thousand, four hundred thirty".