263215271430 has 96 divisors (see below), whose sum is σ = 709063860960. Its totient is φ = 67664540160.

The previous prime is 263215271419. The next prime is 263215271461. The reversal of 263215271430 is 34172512362.

263215271430 is a `hidden beast` number, since 2 + 6 + 3 + 2 + 152 + 71 + 430 = 666.

It is a super-2 number, since 2×263215271430² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1599810 + ... + 1756650.

It is an arithmetic number, because the mean of its divisors is an integer number (7386081885).

Almost surely, 2^263215271430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263215271430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354531930480).

263215271430 is an abundant number, since it is smaller than the sum of its proper divisors (445848589530).

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

263215271430 is a wasteful number, since it uses less digits than its factorization.

263215271430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157526 (or 157523 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 263215271430 its reverse (34172512362), we get a palindrome (297387783792).

The spelling of 263215271430 in words is "two hundred sixty-three billion, two hundred fifteen million, two hundred seventy-one thousand, four hundred thirty".