5326656390 has 160 divisors (see below), whose sum is σ = 15989377536. Its totient is φ = 1261189440.

The previous prime is 5326656371. The next prime is 5326656431. The reversal of 5326656390 is 936566235.

5326656390 is a `hidden beast` number, since 5 + 3 + 2 + 6 + 6 + 5 + 639 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 376179 + ... + 390081.

Almost surely, 2^5326656390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5326656390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7994688768).

5326656390 is an abundant number, since it is smaller than the sum of its proper divisors (10662721146).

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

5326656390 is a wasteful number, since it uses less digits than its factorization.

5326656390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13976 (or 13967 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 45.

The square root of 5326656390 is about 72983.9461114566. The cubic root of 5326656390 is about 1746.4315190909.

The spelling of 5326656390 in words is "five billion, three hundred twenty-six million, six hundred fifty-six thousand, three hundred ninety".