10051001040 has 160 divisors (see below), whose sum is σ = 32397926400. Its totient is φ = 2574881280.

The previous prime is 10051001039. The next prime is 10051001063. The reversal of 10051001040 is 4010015001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1029301 + ... + 1039019.

It is an arithmetic number, because the mean of its divisors is an integer number (202487040).

Almost surely, 2^10051001040 is an apocalyptic number.

10051001040 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 10051001040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16198963200).

10051001040 is an abundant number, since it is smaller than the sum of its proper divisors (22346925360).

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

10051001040 is a wasteful number, since it uses less digits than its factorization.

10051001040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905 (or 9899 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

Adding to 10051001040 its reverse (4010015001), we get a palindrome (14061016041).

The spelling of 10051001040 in words is "ten billion, fifty-one million, one thousand, forty".