5425617408 has 80 divisors (see below), whose sum is σ = 14480769600. Its totient is φ = 1805213696.

The previous prime is 5425617401. The next prime is 5425617451. The reversal of 5425617408 is 8047165245.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5425617408.

It is not an unprimeable number, because it can be changed into a prime (5425617401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917116 + ... + 923012.

It is an arithmetic number, because the mean of its divisors is an integer number (181009620).

Almost surely, 2^5425617408 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 5425617408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7240384800).

5425617408 is an abundant number, since it is smaller than the sum of its proper divisors (9055152192).

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

5425617408 is an equidigital number, since it uses as much as digits as its factorization.

5425617408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517 (or 6501 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 5425617408 is about 73658.7904326429. The cubic root of 5425617408 is about 1757.1805546505.

The spelling of 5425617408 in words is "five billion, four hundred twenty-five million, six hundred seventeen thousand, four hundred eight".