5405113440 has 72 divisors (see below), whose sum is σ = 18444954528. Its totient is φ = 1441363200.

The previous prime is 5405113423. The next prime is 5405113477. The reversal of 5405113440 is 443115045.

It is a happy number.

5405113440 is a `hidden beast` number, since 540 + 5 + 113 + 4 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

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, 1875336 + ... + 1878215.

It is an arithmetic number, because the mean of its divisors is an integer number (256179924).

Almost surely, 2^5405113440 is an apocalyptic number.

It is an amenable number.

5405113440 is an abundant number, since it is smaller than the sum of its proper divisors (13039841088).

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

5405113440 is a wasteful number, since it uses less digits than its factorization.

5405113440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753572 (or 3753561 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 5405113440 is about 73519.4766031424. The cubic root of 5405113440 is about 1754.9642381979.

Adding to 5405113440 its reverse (443115045), we get a palindrome (5848228485).

The spelling of 5405113440 in words is "five billion, four hundred five million, one hundred thirteen thousand, four hundred forty".