52465371840 has 1176 divisors, whose sum is σ = 228471801120. Its totient is φ = 11233271808.

The previous prime is 52465371809. The next prime is 52465371841. The reversal of 52465371840 is 4817356425.

52465371840 is a `hidden beast` number, since 5 + 2 + 465 + 3 + 7 + 184 + 0 = 666.

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 (52465371841) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 589498516 + ... + 589498604.

Almost surely, 2^52465371840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52465371840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114235900560).

52465371840 is an abundant number, since it is smaller than the sum of its proper divisors (176006429280).

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

52465371840 is an equidigital number, since it uses as much as digits as its factorization.

52465371840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 52465371840 in words is "fifty-two billion, four hundred sixty-five million, three hundred seventy-one thousand, eight hundred forty".