263298045492 has 144 divisors (see below), whose sum is σ = 726337248000. Its totient is φ = 80103437568.

The previous prime is 263298045481. The next prime is 263298045499. The reversal of 263298045492 is 294540892362.

263298045492 is a `hidden beast` number, since 2 + 6 + 3 + 2 + 98 + 0 + 4 + 549 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263298045499) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9169734 + ... + 9198402.

Almost surely, 2^263298045492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263298045492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363168624000).

263298045492 is an abundant number, since it is smaller than the sum of its proper divisors (463039202508).

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

263298045492 is a wasteful number, since it uses less digits than its factorization.

263298045492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29190 (or 29185 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 263298045492 in words is "two hundred sixty-three billion, two hundred ninety-eight million, forty-five thousand, four hundred ninety-two".