247530258990 has 384 divisors, whose sum is σ = 818888693760. Its totient is φ = 51940085760.

The previous prime is 247530258931. The next prime is 247530259013. The reversal of 247530258990 is 99852035742.

247530258990 is a `hidden beast` number, since 2 + 4 + 7 + 53 + 0 + 2 + 589 + 9 + 0 = 666.

It is a super-2 number, since 2×247530258990² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 54008239 + ... + 54012821.

It is an arithmetic number, because the mean of its divisors is an integer number (2132522640).

Almost surely, 2^247530258990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247530258990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409444346880).

247530258990 is an abundant number, since it is smaller than the sum of its proper divisors (571358434770).

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

247530258990 is a wasteful number, since it uses less digits than its factorization.

247530258990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705 (or 4658 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 247530258990 in words is "two hundred forty-seven billion, five hundred thirty million, two hundred fifty-eight thousand, nine hundred ninety".