10402155500 has 96 divisors (see below), whose sum is σ = 26241703488. Its totient is φ = 3560064000.

The previous prime is 10402155481. The next prime is 10402155509. The reversal of 10402155500 is 555120401.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10402155509) 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, 37874 + ... + 149126.

It is an arithmetic number, because the mean of its divisors is an integer number (273351078).

Almost surely, 2^10402155500 is an apocalyptic number.

10402155500 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 10402155500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13120851744).

10402155500 is an abundant number, since it is smaller than the sum of its proper divisors (15839547988).

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

10402155500 is a wasteful number, since it uses less digits than its factorization.

10402155500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111300 (or 111288 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

Adding to 10402155500 its reverse (555120401), we get a palindrome (10957275901).

The spelling of 10402155500 in words is "ten billion, four hundred two million, one hundred fifty-five thousand, five hundred".