3427845880420 has 48 divisors (see below), whose sum is σ = 7761932499888. Its totient is φ = 1264078056960.

The previous prime is 3427845880409. The next prime is 3427845880441. The reversal of 3427845880420 is 240885487243.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 38181941604 + 3389663938816 = 195402^2 + 1841104^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8063811 + ... + 8478250.

It is an arithmetic number, because the mean of its divisors is an integer number (161706927081).

Almost surely, 2^{3427845880420} is an apocalyptic number.

It is an amenable number.

3427845880420 is an abundant number, since it is smaller than the sum of its proper divisors (4334086619468).

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

3427845880420 is a wasteful number, since it uses less digits than its factorization.

3427845880420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16542880 (or 16542878 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 55.

The spelling of 3427845880420 in words is "three trillion, four hundred twenty-seven billion, eight hundred forty-five million, eight hundred eighty thousand, four hundred twenty".