100440034551 has 48 divisors (see below), whose sum is σ = 150551955840. Its totient is φ = 64485046080.

The previous prime is 100440034547. The next prime is 100440034561. The reversal of 100440034551 is 155430044001.

It is a happy number.

100440034551 is a `hidden beast` number, since 100 + 4 + 4 + 0 + 0 + 3 + 4 + 551 = 666.

It is not a de Polignac number, because 100440034551 - 2² = 100440034547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100440034561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7953120 + ... + 7965738.

It is an arithmetic number, because the mean of its divisors is an integer number (3136499080).

Almost surely, 2^100440034551 is an apocalyptic number.

100440034551 is a deficient number, since it is larger than the sum of its proper divisors (50111921289).

100440034551 is a wasteful number, since it uses less digits than its factorization.

100440034551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12956 (or 12953 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 100440034551 its reverse (155430044001), we get a palindrome (255870078552).

The spelling of 100440034551 in words is "one hundred billion, four hundred forty million, thirty-four thousand, five hundred fifty-one".