10100320040 has 16 divisors (see below), whose sum is σ = 22725720180. Its totient is φ = 4040128000.

The previous prime is 10100320001. The next prime is 10100320063. The reversal of 10100320040 is 4002300101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8651604196 + 1448715844 = 93014^2 + 38062^2 .

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, 126253961 + ... + 126254040.

Almost surely, 2^10100320040 is an apocalyptic number.

10100320040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100320040 is an abundant number, since it is smaller than the sum of its proper divisors (12625400140).

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

10100320040 is a wasteful number, since it uses less digits than its factorization.

10100320040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252508012 (or 252508008 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 10100320040 its reverse (4002300101), we get a palindrome (14102620141).

The spelling of 10100320040 in words is "ten billion, one hundred million, three hundred twenty thousand, forty".