100545440440 has 16 divisors (see below), whose sum is σ = 226227241080. Its totient is φ = 40218176160.

The previous prime is 100545440423. The next prime is 100545440519. The reversal of 100545440440 is 44044545001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256817966 + ... + 1256818045.

Almost surely, 2^100545440440 is an apocalyptic number.

100545440440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100545440440 is an abundant number, since it is smaller than the sum of its proper divisors (125681800640).

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

100545440440 is a wasteful number, since it uses less digits than its factorization.

100545440440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513636022 (or 2513636018 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 100545440440 its reverse (44044545001), we get a palindrome (144589985441).

The spelling of 100545440440 in words is "one hundred billion, five hundred forty-five million, four hundred forty thousand, four hundred forty".