4247070321420 has 144 divisors (see below), whose sum is σ = 12916994414688. Its totient is φ = 1129545768960.

The previous prime is 4247070321419. The next prime is 4247070321457. The reversal of 4247070321420 is 241230707424.

4247070321420 is a `hidden beast` number, since 4 + 247 + 0 + 70 + 321 + 4 + 20 = 666.

It is a super-2 number, since 2×4247070321420² (a number of 26 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 417315372 + ... + 417325548.

It is an arithmetic number, because the mean of its divisors is an integer number (89701350102).

Almost surely, 2^{4247070321420} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4247070321420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6458497207344).

4247070321420 is an abundant number, since it is smaller than the sum of its proper divisors (8669924093268).

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

4247070321420 is a wasteful number, since it uses less digits than its factorization.

4247070321420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16120 (or 16115 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The spelling of 4247070321420 in words is "four trillion, two hundred forty-seven billion, seventy million, three hundred twenty-one thousand, four hundred twenty".