100403013040 has 160 divisors (see below), whose sum is σ = 262474629120. Its totient is φ = 35403955200.

The previous prime is 100403013037. The next prime is 100403013043. The reversal of 100403013040 is 40310304001.

It is an interprime number because it is at equal distance from previous prime (100403013037) and next prime (100403013043).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (100403013043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4497105 + ... + 4519375.

It is an arithmetic number, because the mean of its divisors is an integer number (1640466432).

Almost surely, 2^100403013040 is an apocalyptic number.

100403013040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100403013040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131237314560).

100403013040 is an abundant number, since it is smaller than the sum of its proper divisors (162071616080).

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

100403013040 is a wasteful number, since it uses less digits than its factorization.

100403013040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22451 (or 22445 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100403013040 its reverse (40310304001), we get a palindrome (140713317041).

The spelling of 100403013040 in words is "one hundred billion, four hundred three million, thirteen thousand, forty".