720018038346 has 64 divisors (see below), whose sum is σ = 1508265308160. Its totient is φ = 228713925440.

The previous prime is 720018038269. The next prime is 720018038353. The reversal of 720018038346 is 643830810027.

It is a junction number, because it is equal to n+sod(n) for n = 720018038298 and 720018038307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48896941 + ... + 48911663.

It is an arithmetic number, because the mean of its divisors is an integer number (23566645440).

Almost surely, 2^720018038346 is an apocalyptic number.

720018038346 is an abundant number, since it is smaller than the sum of its proper divisors (788247269814).

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

720018038346 is a wasteful number, since it uses less digits than its factorization.

720018038346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16051.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 720018038346 in words is "seven hundred twenty billion, eighteen million, thirty-eight thousand, three hundred forty-six".