52162140400 has 60 divisors (see below), whose sum is σ = 132691297392. Its totient is φ = 19637509120.

The previous prime is 52162140397. The next prime is 52162140449. The reversal of 52162140400 is 404126125.

It is a happy number.

It is a super-2 number, since 2×52162140400² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3828652 + ... + 3842251.

Almost surely, 2^52162140400 is an apocalyptic number.

52162140400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52162140400 is an abundant number, since it is smaller than the sum of its proper divisors (80529156992).

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

52162140400 is a wasteful number, since it uses less digits than its factorization.

52162140400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7670938 (or 7670927 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 52162140400 its reverse (404126125), we get a palindrome (52566266525).

The spelling of 52162140400 in words is "fifty-two billion, one hundred sixty-two million, one hundred forty thousand, four hundred".