247990382380 has 48 divisors (see below), whose sum is σ = 570345582240. Its totient is φ = 90013713408.

The previous prime is 247990382347. The next prime is 247990382383. The reversal of 247990382380 is 83283099742.

It is a super-2 number, since 2×247990382380² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247990382383) 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, 8067789 + ... + 8098468.

It is an arithmetic number, because the mean of its divisors is an integer number (11882199630).

Almost surely, 2^247990382380 is an apocalyptic number.

247990382380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247990382380 is an abundant number, since it is smaller than the sum of its proper divisors (322355199860).

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

247990382380 is a wasteful number, since it uses less digits than its factorization.

247990382380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16166338 (or 16166336 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 247990382380 in words is "two hundred forty-seven billion, nine hundred ninety million, three hundred eighty-two thousand, three hundred eighty".