347215045920 has 48 divisors (see below), whose sum is σ = 1093727396160. Its totient is φ = 92590678784.

The previous prime is 347215045901. The next prime is 347215045949. The reversal of 347215045920 is 29540512743.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×347215045920² (a number of 24 digits) contains 22 as substring.

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, 361681860 + ... + 361682819.

It is an arithmetic number, because the mean of its divisors is an integer number (22785987420).

Almost surely, 2^347215045920 is an apocalyptic number.

347215045920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

347215045920 is an abundant number, since it is smaller than the sum of its proper divisors (746512350240).

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

347215045920 is a wasteful number, since it uses less digits than its factorization.

347215045920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723364697 (or 723364689 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 347215045920 in words is "three hundred forty-seven billion, two hundred fifteen million, forty-five thousand, nine hundred twenty".