4065503904 has 144 divisors (see below), whose sum is σ = 14414137920. Its totient is φ = 1055969280.

The previous prime is 4065503903. The next prime is 4065503927. The reversal of 4065503904 is 4093055604.

It is a happy number.

4065503904 is a `hidden beast` number, since 4 + 0 + 65 + 503 + 90 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4065503903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69489 + ... + 113840.

It is an arithmetic number, because the mean of its divisors is an integer number (100098180).

Almost surely, 2^4065503904 is an apocalyptic number.

4065503904 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4065503904 is an abundant number, since it is smaller than the sum of its proper divisors (10348634016).

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

4065503904 is a wasteful number, since it uses less digits than its factorization.

4065503904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183363 (or 183352 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 4065503904 is about 63761.3041271899. The cubic root of 4065503904 is about 1596.0192584406.

The spelling of 4065503904 in words is "four billion, sixty-five million, five hundred three thousand, nine hundred four".