52400458032 has 160 divisors (see below), whose sum is σ = 155831026176. Its totient is φ = 15045888000.

The previous prime is 52400458027. The next prime is 52400458037. The reversal of 52400458032 is 23085400425.

It is an interprime number because it is at equal distance from previous prime (52400458027) and next prime (52400458037).

It is a junction number, because it is equal to n+sod(n) for n = 52400457984 and 52400458002.

It is not an unprimeable number, because it can be changed into a prime (52400458037) 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, 543907 + ... + 632957.

Almost surely, 2^52400458032 is an apocalyptic number.

52400458032 is a gapful number since it is divisible by the number (52) 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 52400458032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77915513088).

52400458032 is an abundant number, since it is smaller than the sum of its proper divisors (103430568144).

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

52400458032 is a wasteful number, since it uses less digits than its factorization.

52400458032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89139 (or 89133 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 52400458032 its reverse (23085400425), we get a palindrome (75485858457).

The spelling of 52400458032 in words is "fifty-two billion, four hundred million, four hundred fifty-eight thousand, thirty-two".