52140251400 has 96 divisors (see below), whose sum is σ = 163582342560. Its totient is φ = 13736535040.

The previous prime is 52140251389. The next prime is 52140251407. The reversal of 52140251400 is 415204125.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (52140251407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 473697 + ... + 573296.

It is an arithmetic number, because the mean of its divisors is an integer number (1703982735).

Almost surely, 2^52140251400 is an apocalyptic number.

52140251400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52140251400 is an abundant number, since it is smaller than the sum of its proper divisors (111442091160).

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

52140251400 is a wasteful number, since it uses less digits than its factorization.

52140251400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047095 (or 1047086 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 52140251400 its reverse (415204125), we get a palindrome (52555455525).

The spelling of 52140251400 in words is "fifty-two billion, one hundred forty million, two hundred fifty-one thousand, four hundred".