147297853440 has 168 divisors, whose sum is σ = 510602669928. Its totient is φ = 39279329280.

The previous prime is 147297853403. The next prime is 147297853463. The reversal of 147297853440 is 44358792741.

147297853440 is a `hidden beast` number, since 1 + 4 + 7 + 297 + 8 + 5 + 344 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168855 + ... + 568425.

Almost surely, 2^147297853440 is an apocalyptic number.

147297853440 is a gapful number since it is divisible by the number (10) 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 147297853440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255301334964).

147297853440 is an abundant number, since it is smaller than the sum of its proper divisors (363304816488).

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

147297853440 is an equidigital number, since it uses as much as digits as its factorization.

147297853440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399608 (or 399581 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 147297853440 in words is "one hundred forty-seven billion, two hundred ninety-seven million, eight hundred fifty-three thousand, four hundred forty".