248478776430 has 32 divisors (see below), whose sum is σ = 616912826400. Its totient is φ = 63976144512.

The previous prime is 248478776417. The next prime is 248478776503. The reversal of 248478776430 is 34677874842.

It is a super-2 number, since 2×248478776430² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142803025 + ... + 142804764.

It is an arithmetic number, because the mean of its divisors is an integer number (19278525825).

Almost surely, 2^248478776430 is an apocalyptic number.

248478776430 is an abundant number, since it is smaller than the sum of its proper divisors (368434049970).

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

248478776430 is a wasteful number, since it uses less digits than its factorization.

248478776430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285607828.

The product of its (nonzero) digits is 50577408, while the sum is 60.

The spelling of 248478776430 in words is "two hundred forty-eight billion, four hundred seventy-eight million, seven hundred seventy-six thousand, four hundred thirty".