4025554426218 has 128 divisors (see below), whose sum is σ = 9017669606400. Its totient is φ = 1190028902400.

The previous prime is 4025554426211. The next prime is 4025554426219. The reversal of 4025554426218 is 8126244555204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4025554426211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98257258 + ... + 98298218.

It is an arithmetic number, because the mean of its divisors is an integer number (70450543800).

Almost surely, 2^{4025554426218} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4025554426218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4508834803200).

4025554426218 is an abundant number, since it is smaller than the sum of its proper divisors (4992115180182).

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

4025554426218 is a wasteful number, since it uses less digits than its factorization.

4025554426218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41488.

The product of its (nonzero) digits is 3072000, while the sum is 48.

The spelling of 4025554426218 in words is "four trillion, twenty-five billion, five hundred fifty-four million, four hundred twenty-six thousand, two hundred eighteen".