5399271990 has 384 divisors, whose sum is σ = 17687255040. Its totient is φ = 1115265024.

The previous prime is 5399271979. The next prime is 5399272013. The reversal of 5399271990 is 991729935.

5399271990 is a `hidden beast` number, since 539 + 9 + 2 + 7 + 19 + 90 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 32330887 + ... + 32331053.

It is an arithmetic number, because the mean of its divisors is an integer number (46060560).

Almost surely, 2^5399271990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5399271990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8843627520).

5399271990 is an abundant number, since it is smaller than the sum of its proper divisors (12287983050).

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

5399271990 is a wasteful number, since it uses less digits than its factorization.

5399271990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 54.

The square root of 5399271990 is about 73479.7386358988. The cubic root of 5399271990 is about 1754.3317981195.

The spelling of 5399271990 in words is "five billion, three hundred ninety-nine million, two hundred seventy-one thousand, nine hundred ninety".