5405272271 has 24 divisors (see below), whose sum is σ = 6643062720. Its totient is φ = 4378097472.

The previous prime is 5405272267. The next prime is 5405272277. The reversal of 5405272271 is 1722725045.

It is not a de Polignac number, because 5405272271 - 2² = 5405272267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405272277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26321 + ... + 107253.

It is an arithmetic number, because the mean of its divisors is an integer number (276794280).

Almost surely, 2^5405272271 is an apocalyptic number.

5405272271 is a deficient number, since it is larger than the sum of its proper divisors (1237790449).

5405272271 is a wasteful number, since it uses less digits than its factorization.

5405272271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81023 (or 81016 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 5405272271 is about 73520.5567919613. The cubic root of 5405272271 is about 1754.9814280927.

The spelling of 5405272271 in words is "five billion, four hundred five million, two hundred seventy-two thousand, two hundred seventy-one".