247849048880 has 40 divisors (see below), whose sum is σ = 576471924864. Its totient is φ = 99101273600.

The previous prime is 247849048861. The next prime is 247849048903. The reversal of 247849048880 is 88840948742.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×247849048880² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390581 + ... + 805140.

Almost surely, 2^247849048880 is an apocalyptic number.

247849048880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247849048880 is an abundant number, since it is smaller than the sum of its proper divisors (328622875984).

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

247849048880 is a wasteful number, since it uses less digits than its factorization.

247849048880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198325 (or 1198319 counting only the distinct ones).

The product of its (nonzero) digits is 33030144, while the sum is 62.

The spelling of 247849048880 in words is "two hundred forty-seven billion, eight hundred forty-nine million, forty-eight thousand, eight hundred eighty".