102555402400 has 72 divisors (see below), whose sum is σ = 273123706464. Its totient is φ = 37292870400.

The previous prime is 102555402379. The next prime is 102555402409. The reversal of 102555402400 is 4204555201.

It is a super-2 number, since 2×102555402400² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102555402409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5818212 + ... + 5835811.

It is an arithmetic number, because the mean of its divisors is an integer number (3793384812).

Almost surely, 2^102555402400 is an apocalyptic number.

102555402400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102555402400 is an abundant number, since it is smaller than the sum of its proper divisors (170568304064).

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

102555402400 is a wasteful number, since it uses less digits than its factorization.

102555402400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11654054 (or 11654041 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 102555402400 its reverse (4204555201), we get a palindrome (106759957601).

The spelling of 102555402400 in words is "one hundred two billion, five hundred fifty-five million, four hundred two thousand, four hundred".