2547101420 has 48 divisors (see below), whose sum is σ = 5635768320. Its totient is φ = 965063616.

The previous prime is 2547101399. The next prime is 2547101429. The reversal of 2547101420 is 241017452.

It is a self number, because there is not a number n which added to its sum of digits gives 2547101420.

It is not an unprimeable number, because it can be changed into a prime (2547101429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20501 + ... + 74259.

It is an arithmetic number, because the mean of its divisors is an integer number (117411840).

Almost surely, 2^2547101420 is an apocalyptic number.

2547101420 is a gapful number since it is divisible by the number (20) 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 2547101420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2817884160).

2547101420 is an abundant number, since it is smaller than the sum of its proper divisors (3088666900).

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

2547101420 is a wasteful number, since it uses less digits than its factorization.

2547101420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53894 (or 53892 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2547101420 is about 50468.8163126499. The cubic root of 2547101420 is about 1365.6793605564.

Adding to 2547101420 its reverse (241017452), we get a palindrome (2788118872).

The spelling of 2547101420 in words is "two billion, five hundred forty-seven million, one hundred one thousand, four hundred twenty".