5429440 has 84 divisors (see below), whose sum is σ = 13935456. Its totient is φ = 2013696.

The previous prime is 5429423. The next prime is 5429453. The reversal of 5429440 is 449245.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5429399 and 5429408.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115497 + ... + 115543.

Almost surely, 2^5429440 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 5429440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6967728).

5429440 is an abundant number, since it is smaller than the sum of its proper divisors (8506016).

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

5429440 is a wasteful number, since it uses less digits than its factorization.

5429440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 5429440 is about 2330.1158769469. The cubic root of 5429440 is about 175.7593128739.

The spelling of 5429440 in words is "five million, four hundred twenty-nine thousand, four hundred forty".