10402143120 has 100 divisors (see below), whose sum is σ = 36128206620. Its totient is φ = 2773903104.

The previous prime is 10402143097. The next prime is 10402143181. The reversal of 10402143120 is 2134120401.

10402143120 is a `hidden beast` number, since 1 + 0 + 402 + 143 + 120 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4288154256 + 6113988864 = 65484^2 + 78192^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10402143093 and 10402143102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 796155 + ... + 809114.

Almost surely, 2^10402143120 is an apocalyptic number.

10402143120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10402143120 is an abundant number, since it is smaller than the sum of its proper divisors (25726063500).

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

10402143120 is a wasteful number, since it uses less digits than its factorization.

10402143120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605294 (or 1605279 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10402143120 its reverse (2134120401), we get a palindrome (12536263521).

The spelling of 10402143120 in words is "ten billion, four hundred two million, one hundred forty-three thousand, one hundred twenty".