613654040904 has 32 divisors (see below), whose sum is σ = 1544431320000. Its totient is φ = 203178517952.

The previous prime is 613654040861. The next prime is 613654040911. The reversal of 613654040904 is 409040456316.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85798164 + ... + 85805315.

It is an arithmetic number, because the mean of its divisors is an integer number (48263478750).

Almost surely, 2^613654040904 is an apocalyptic number.

It is an amenable number.

613654040904 is an abundant number, since it is smaller than the sum of its proper divisors (930777279096).

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

613654040904 is a wasteful number, since it uses less digits than its factorization.

613654040904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171603637 (or 171603633 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 613654040904 in words is "six hundred thirteen billion, six hundred fifty-four million, forty thousand, nine hundred four".