5405134401 has 64 divisors (see below), whose sum is σ = 8296288000. Its totient is φ = 3476805120.

The previous prime is 5405134393. The next prime is 5405134447. The reversal of 5405134401 is 1044315045.

It is a happy number.

5405134401 is a `hidden beast` number, since 540 + 51 + 34 + 40 + 1 = 666.

It is not a de Polignac number, because 5405134401 - 2³ = 5405134393 is a prime.

It is a super-3 number, since 3×5405134401³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5405133401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29862531 + ... + 29862711.

It is an arithmetic number, because the mean of its divisors is an integer number (129629500).

Almost surely, 2^5405134401 is an apocalyptic number.

It is an amenable number.

5405134401 is a deficient number, since it is larger than the sum of its proper divisors (2891153599).

5405134401 is a wasteful number, since it uses less digits than its factorization.

5405134401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 505 counting only the distinct ones).

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

The square root of 5405134401 is about 73519.6191570658. The cubic root of 5405134401 is about 1754.9665067755.

Adding to 5405134401 its reverse (1044315045), we get a palindrome (6449449446).

The spelling of 5405134401 in words is "five billion, four hundred five million, one hundred thirty-four thousand, four hundred one".