5526394906428 has 216 divisors, whose sum is σ = 16141098473136. Its totient is φ = 1580867366400.

The previous prime is 5526394906393. The next prime is 5526394906481. The reversal of 5526394906428 is 8246094936255.

It is a happy number.

5526394906428 is a `hidden beast` number, since 5 + 5 + 2 + 63 + 9 + 490 + 64 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40101850 + ... + 40239422.

It is an arithmetic number, because the mean of its divisors is an integer number (74727307746).

Almost surely, 2^{5526394906428} 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 5526394906428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8070549236568).

5526394906428 is an abundant number, since it is smaller than the sum of its proper divisors (10614703566708).

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

5526394906428 is a wasteful number, since it uses less digits than its factorization.

5526394906428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137913 (or 137889 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 63.

The spelling of 5526394906428 in words is "five trillion, five hundred twenty-six billion, three hundred ninety-four million, nine hundred six thousand, four hundred twenty-eight".