5434040640 has 112 divisors (see below), whose sum is σ = 19717828992. Its totient is φ = 1242064896.

The previous prime is 5434040629. The next prime is 5434040653. The reversal of 5434040640 is 460404345.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5434040598 and 5434040607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397599 + ... + 411038.

Almost surely, 2^5434040640 is an apocalyptic number.

It is an amenable number.

5434040640 is an abundant number, since it is smaller than the sum of its proper divisors (14283788352).

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

5434040640 is a wasteful number, since it uses less digits than its factorization.

5434040640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808664 (or 808654 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 5434040640 is about 73715.9456291514. The cubic root of 5434040640 is about 1758.0894212003.

Adding to 5434040640 its reverse (460404345), we get a palindrome (5894444985).

The spelling of 5434040640 in words is "five billion, four hundred thirty-four million, forty thousand, six hundred forty".