5427440 has 20 divisors (see below), whose sum is σ = 12618984. Its totient is φ = 2170944.

The previous prime is 5427439. The next prime is 5427473. The reversal of 5427440 is 447245.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33842 + ... + 34001.

Almost surely, 2^5427440 is an apocalyptic number.

It is an amenable number.

5427440 is an abundant number, since it is smaller than the sum of its proper divisors (7191544).

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

5427440 is a wasteful number, since it uses less digits than its factorization.

5427440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67856 (or 67850 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 5427440 is about 2329.6866742118. The cubic root of 5427440 is about 175.7377291995.

The spelling of 5427440 in words is "five million, four hundred twenty-seven thousand, four hundred forty".