52400335040 has 28 divisors (see below), whose sum is σ = 124778298576. Its totient is φ = 20960133888.

The previous prime is 52400335037. The next prime is 52400335061. The reversal of 52400335040 is 4053300425.

It is a super-2 number, since 2×52400335040² (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 3 ways as a sum of consecutive naturals, for example, 81875204 + ... + 81875843.

Almost surely, 2^52400335040 is an apocalyptic number.

It is an amenable number.

52400335040 is an abundant number, since it is smaller than the sum of its proper divisors (72377963536).

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

52400335040 is a wasteful number, since it uses less digits than its factorization.

52400335040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163751064 (or 163751054 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 52400335040 its reverse (4053300425), we get a palindrome (56453635465).

The spelling of 52400335040 in words is "fifty-two billion, four hundred million, three hundred thirty-five thousand, forty".