100440034452 has 96 divisors (see below), whose sum is σ = 261548672000. Its totient is φ = 33332609376.

The previous prime is 100440034447. The next prime is 100440034489. The reversal of 100440034452 is 254430044001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 56331153 + ... + 56332935.

Almost surely, 2^100440034452 is an apocalyptic number.

100440034452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100440034452 is an abundant number, since it is smaller than the sum of its proper divisors (161108637548).

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

100440034452 is a wasteful number, since it uses less digits than its factorization.

100440034452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802 (or 3794 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 100440034452 its reverse (254430044001), we get a palindrome (354870078453).

The spelling of 100440034452 in words is "one hundred billion, four hundred forty million, thirty-four thousand, four hundred fifty-two".