52449841540 has 24 divisors (see below), whose sum is σ = 111653501400. Its totient is φ = 20692539648.

The previous prime is 52449841537. The next prime is 52449841553. The reversal of 52449841540 is 4514894425.

It can be written as a sum of positive squares in 4 ways, for example, as 13533599556 + 38916241984 = 116334^2 + 197272^2 .

It is a super-2 number, since 2×52449841540² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17960815 + ... + 17963734.

It is an arithmetic number, because the mean of its divisors is an integer number (4652229225).

Almost surely, 2^52449841540 is an apocalyptic number.

It is an amenable number.

52449841540 is an abundant number, since it is smaller than the sum of its proper divisors (59203659860).

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

52449841540 is a wasteful number, since it uses less digits than its factorization.

52449841540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35924631 (or 35924629 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 52449841540 in words is "fifty-two billion, four hundred forty-nine million, eight hundred forty-one thousand, five hundred forty".