100544554540 has 24 divisors (see below), whose sum is σ = 222256384560. Its totient is φ = 38101094208.

The previous prime is 100544554529. The next prime is 100544554543. The reversal of 100544554540 is 45455445001.

It is a super-2 number, since 2×100544554540² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100544554540.

It is not an unprimeable number, because it can be changed into a prime (100544554543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132295087 + ... + 132295846.

It is an arithmetic number, because the mean of its divisors is an integer number (9260682690).

Almost surely, 2^100544554540 is an apocalyptic number.

100544554540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100544554540 is an abundant number, since it is smaller than the sum of its proper divisors (121711830020).

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

100544554540 is a wasteful number, since it uses less digits than its factorization.

100544554540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264590961 (or 264590959 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

Adding to 100544554540 its reverse (45455445001), we get a palindrome (145999999541).

The spelling of 100544554540 in words is "one hundred billion, five hundred forty-four million, five hundred fifty-four thousand, five hundred forty".