2554220416 has 64 divisors (see below), whose sum is σ = 5621587200. Its totient is φ = 1146263040.

The previous prime is 2554220413. The next prime is 2554220441. The reversal of 2554220416 is 6140224552.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2554220416² = 13048083867022426112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554220413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99751 + ... + 122713.

It is an arithmetic number, because the mean of its divisors is an integer number (87837300).

Almost surely, 2^2554220416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2554220416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2810793600).

2554220416 is an abundant number, since it is smaller than the sum of its proper divisors (3067366784).

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

2554220416 is a wasteful number, since it uses less digits than its factorization.

2554220416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23067 (or 23055 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2554220416 is about 50539.2957608236. The cubic root of 2554220416 is about 1366.9505077187.

Adding to 2554220416 its reverse (6140224552), we get a palindrome (8694444968).

The spelling of 2554220416 in words is "two billion, five hundred fifty-four million, two hundred twenty thousand, four hundred sixteen".