10457121420 has 72 divisors (see below), whose sum is σ = 32239967760. Its totient is φ = 2742848640.

The previous prime is 10457121403. The next prime is 10457121431. The reversal of 10457121420 is 2412175401.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 465210 + ... + 487169.

It is an arithmetic number, because the mean of its divisors is an integer number (447777330).

Almost surely, 2^10457121420 is an apocalyptic number.

10457121420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10457121420 is an abundant number, since it is smaller than the sum of its proper divisors (21782846340).

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

10457121420 is a wasteful number, since it uses less digits than its factorization.

10457121420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952455 (or 952450 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

Adding to 10457121420 its reverse (2412175401), we get a palindrome (12869296821).

The spelling of 10457121420 in words is "ten billion, four hundred fifty-seven million, one hundred twenty-one thousand, four hundred twenty".