100080700040 has 32 divisors (see below), whose sum is σ = 227247471000. Its totient is φ = 39665009664.

The previous prime is 100080700037. The next prime is 100080700081. The reversal of 100080700040 is 40007080001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 99814292356 + 266407684 = 315934^2 + 16322^2 .

It is a super-2 number, since 2×100080700040² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 100080699985 and 100080700021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11472785 + ... + 11481504.

Almost surely, 2^100080700040 is an apocalyptic number.

100080700040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100080700040 is an abundant number, since it is smaller than the sum of its proper divisors (127166770960).

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

100080700040 is a wasteful number, since it uses less digits than its factorization.

100080700040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22954409 (or 22954405 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 100080700040 its reverse (40007080001), we get a palindrome (140087780041).

The spelling of 100080700040 in words is "one hundred billion, eighty million, seven hundred thousand, forty".