248398299450 has 216 divisors, whose sum is σ = 778791601692. Its totient is φ = 56596055040.

The previous prime is 248398299427. The next prime is 248398299473. The reversal of 248398299450 is 54992893842.

248398299450 is a `hidden beast` number, since 2 + 4 + 8 + 3 + 98 + 2 + 99 + 450 = 666.

248398299450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (248398299427) and next prime (248398299473).

It can be written as a sum of positive squares in 6 ways, for example, as 66469605489 + 181928693961 = 257817^2 + 426531^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 6972082 + ... + 7007618.

Almost surely, 2^248398299450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 248398299450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389395800846).

248398299450 is an abundant number, since it is smaller than the sum of its proper divisors (530393302242).

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

248398299450 is a wasteful number, since it uses less digits than its factorization.

248398299450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35886 (or 35871 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 248398299450 in words is "two hundred forty-eight billion, three hundred ninety-eight million, two hundred ninety-nine thousand, four hundred fifty".