100051012240 has 40 divisors (see below), whose sum is σ = 232829705088. Its totient is φ = 39984086400.

The previous prime is 100051012177. The next prime is 100051012241. The reversal of 100051012240 is 42210150001.

It is a tau number, because it is divible by the number of its divisors (40).

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 (100051012241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478686 + ... + 655165.

Almost surely, 2^100051012240 is an apocalyptic number.

100051012240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100051012240 is an abundant number, since it is smaller than the sum of its proper divisors (132778692848).

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

100051012240 is a wasteful number, since it uses less digits than its factorization.

100051012240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134967 (or 1134961 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 100051012240 its reverse (42210150001), we get a palindrome (142261162241).

The spelling of 100051012240 in words is "one hundred billion, fifty-one million, twelve thousand, two hundred forty".