2126400510560 has 48 divisors (see below), whose sum is σ = 5030976693456. Its totient is φ = 849314830848.

The previous prime is 2126400510557. The next prime is 2126400510581. The reversal of 2126400510560 is 650150046212.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9619859 + ... + 9838418.

It is an arithmetic number, because the mean of its divisors is an integer number (104812014447).

Almost surely, 2^{2126400510560} is an apocalyptic number.

2126400510560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2126400510560 is an abundant number, since it is smaller than the sum of its proper divisors (2904576182896).

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

2126400510560 is a wasteful number, since it uses less digits than its factorization.

2126400510560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19458975 (or 19458967 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 2126400510560 its reverse (650150046212), we get a palindrome (2776550556772).

The spelling of 2126400510560 in words is "two trillion, one hundred twenty-six billion, four hundred million, five hundred ten thousand, five hundred sixty".