251726467048 has 64 divisors (see below), whose sum is σ = 555658185600. Its totient is φ = 104663316480.

The previous prime is 251726467043. The next prime is 251726467103. The reversal of 251726467048 is 840764627152.

It is a junction number, because it is equal to n+sod(n) for n = 251726466986 and 251726467004.

It is not an unprimeable number, because it can be changed into a prime (251726467043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104736 + ... + 717232.

It is an arithmetic number, because the mean of its divisors is an integer number (8682159150).

Almost surely, 2^251726467048 is an apocalyptic number.

251726467048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 251726467048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277829092800).

251726467048 is an abundant number, since it is smaller than the sum of its proper divisors (303931718552).

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

251726467048 is a wasteful number, since it uses less digits than its factorization.

251726467048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612730 (or 612726 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 251726467048 in words is "two hundred fifty-one billion, seven hundred twenty-six million, four hundred sixty-seven thousand, forty-eight".