10403000140520 has 256 divisors, whose sum is σ = 26688197088000. Its totient is φ = 3623593107456.

The previous prime is 10403000140499. The next prime is 10403000140537. The reversal of 10403000140520 is 2504100030401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10403000140492 and 10403000140501.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82803911 + ... + 82929449.

It is an arithmetic number, because the mean of its divisors is an integer number (104250769875).

Almost surely, 2^{10403000140520} is an apocalyptic number.

10403000140520 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 10403000140520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13344098544000).

10403000140520 is an abundant number, since it is smaller than the sum of its proper divisors (16285196947480).

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

10403000140520 is a wasteful number, since it uses less digits than its factorization.

10403000140520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125732 (or 125728 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 10403000140520 its reverse (2504100030401), we get a palindrome (12907100170921).

The spelling of 10403000140520 in words is "ten trillion, four hundred three billion, one hundred forty thousand, five hundred twenty".