100504161040 has 40 divisors (see below), whose sum is σ = 234977639040. Its totient is φ = 39977068416.

The previous prime is 100504161029. The next prime is 100504161061. The reversal of 100504161040 is 40161405001.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3494904 + ... + 3523543.

It is an arithmetic number, because the mean of its divisors is an integer number (5874440976).

Almost surely, 2^100504161040 is an apocalyptic number.

100504161040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100504161040 is an abundant number, since it is smaller than the sum of its proper divisors (134473478000).

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

100504161040 is a wasteful number, since it uses less digits than its factorization.

100504161040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018639 (or 7018633 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 100504161040 its reverse (40161405001), we get a palindrome (140665566041).

The spelling of 100504161040 in words is "one hundred billion, five hundred four million, one hundred sixty-one thousand, forty".