10240453142520 has 128 divisors (see below), whose sum is σ = 31783875508800. Its totient is φ = 2636360351744.

The previous prime is 10240453142461. The next prime is 10240453142573. The reversal of 10240453142520 is 2524135404201.

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, 36165814 + ... + 36447866.

Almost surely, 2^{10240453142520} is an apocalyptic number.

10240453142520 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 10240453142520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15891937754400).

10240453142520 is an abundant number, since it is smaller than the sum of its proper divisors (21543422366280).

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

10240453142520 is a wasteful number, since it uses less digits than its factorization.

10240453142520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292529 (or 292525 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 10240453142520 its reverse (2524135404201), we get a palindrome (12764588546721).

The spelling of 10240453142520 in words is "ten trillion, two hundred forty billion, four hundred fifty-three million, one hundred forty-two thousand, five hundred twenty".