10124421240 has 128 divisors (see below), whose sum is σ = 30983212800. Its totient is φ = 2645913600.

The previous prime is 10124421233. The next prime is 10124421283. The reversal of 10124421240 is 4212442101.

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, 2497215 + ... + 2501265.

It is an arithmetic number, because the mean of its divisors is an integer number (242056350).

Almost surely, 2^10124421240 is an apocalyptic number.

10124421240 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 10124421240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15491606400).

10124421240 is an abundant number, since it is smaller than the sum of its proper divisors (20858791560).

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

10124421240 is a wasteful number, since it uses less digits than its factorization.

10124421240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477 (or 4473 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 10124421240 its reverse (4212442101), we get a palindrome (14336863341).

The spelling of 10124421240 in words is "ten billion, one hundred twenty-four million, four hundred twenty-one thousand, two hundred forty".