4223531647920 has 160 divisors (see below), whose sum is σ = 14203019823552. Its totient is φ = 1032049852416.

The previous prime is 4223531647913. The next prime is 4223531647961. The reversal of 4223531647920 is 297461353224.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 4223531647920.

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, 4513057 + ... + 5367936.

Almost surely, 2^{4223531647920} is an apocalyptic number.

4223531647920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4223531647920 is an abundant number, since it is smaller than the sum of its proper divisors (9979488175632).

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

4223531647920 is a wasteful number, since it uses less digits than its factorization.

4223531647920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9881159 (or 9881153 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 4223531647920 in words is "four trillion, two hundred twenty-three billion, five hundred thirty-one million, six hundred forty-seven thousand, nine hundred twenty".