5394396490 has 32 divisors (see below), whose sum is σ = 11455017984. Its totient is φ = 1789845120.

The previous prime is 5394396481. The next prime is 5394396499. The reversal of 5394396490 is 946934935.

It is an interprime number because it is at equal distance from previous prime (5394396481) and next prime (5394396499).

It is not an unprimeable number, because it can be changed into a prime (5394396499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1240779 + ... + 1245118.

It is an arithmetic number, because the mean of its divisors is an integer number (357969312).

Almost surely, 2^5394396490 is an apocalyptic number.

5394396490 is an abundant number, since it is smaller than the sum of its proper divisors (6060621494).

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

5394396490 is a wasteful number, since it uses less digits than its factorization.

5394396490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485942.

The product of its (nonzero) digits is 3149280, while the sum is 52.

The square root of 5394396490 is about 73446.5553310705. Note that the first 3 decimals coincide. The cubic root of 5394396490 is about 1753.8035898416.

The spelling of 5394396490 in words is "five billion, three hundred ninety-four million, three hundred ninety-six thousand, four hundred ninety".