247822295040 has 448 divisors, whose sum is σ = 885059464320. Its totient is φ = 65788968960.

The previous prime is 247822295029. The next prime is 247822295047. The reversal of 247822295040 is 40592228742.

247822295040 is a `hidden beast` number, since 2 + 47 + 82 + 2 + 29 + 504 + 0 = 666.

It is a super-2 number, since 2×247822295040² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (247822295047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366059182 + ... + 366059858.

Almost surely, 2^247822295040 is an apocalyptic number.

247822295040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247822295040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442529732160).

247822295040 is an abundant number, since it is smaller than the sum of its proper divisors (637237169280).

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

247822295040 is an equidigital number, since it uses as much as digits as its factorization.

247822295040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 247822295040 in words is "two hundred forty-seven billion, eight hundred twenty-two million, two hundred ninety-five thousand, forty".