5390194920 has 128 divisors (see below), whose sum is σ = 17797242240. Its totient is φ = 1295114240.

The previous prime is 5390194919. The next prime is 5390194921. The reversal of 5390194920 is 294910935.

It is an interprime number because it is at equal distance from previous prime (5390194919) and next prime (5390194921).

It is not an unprimeable number, because it can be changed into a prime (5390194921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131092 + ... + 167228.

It is an arithmetic number, because the mean of its divisors is an integer number (139040955).

Almost surely, 2^5390194920 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 5390194920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8898621120).

5390194920 is an abundant number, since it is smaller than the sum of its proper divisors (12407047320).

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

5390194920 is a wasteful number, since it uses less digits than its factorization.

5390194920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36275 (or 36271 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 5390194920 is about 73417.9468522513. The cubic root of 5390194920 is about 1753.3481392952.

The spelling of 5390194920 in words is "five billion, three hundred ninety million, one hundred ninety-four thousand, nine hundred twenty".