100342742500 has 480 divisors, whose sum is σ = 298285118208. Its totient is φ = 28512000000.

The previous prime is 100342742497. The next prime is 100342742527. The reversal of 100342742500 is 5247243001.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 252752302 + ... + 252752698.

Almost surely, 2^100342742500 is an apocalyptic number.

100342742500 is a gapful number since it is divisible by the number (10) 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 100342742500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149142559104).

100342742500 is an abundant number, since it is smaller than the sum of its proper divisors (197942375708).

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

100342742500 is a wasteful number, since it uses less digits than its factorization.

100342742500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 100342742500 its reverse (5247243001), we get a palindrome (105589985501).

The spelling of 100342742500 in words is "one hundred billion, three hundred forty-two million, seven hundred forty-two thousand, five hundred".