4397538969720 has 96 divisors (see below), whose sum is σ = 15391386410400. Its totient is φ = 1082471129856.

The previous prime is 4397538969697. The next prime is 4397538969773. The reversal of 4397538969720 is 279698357934.

4397538969720 is a `hidden beast` number, since 4 + 3 + 9 + 7 + 538 + 9 + 69 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469817860 + ... + 469827219.

It is an arithmetic number, because the mean of its divisors is an integer number (160326941775).

Almost surely, 2^{4397538969720} is an apocalyptic number.

4397538969720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4397538969720 is an abundant number, since it is smaller than the sum of its proper divisors (10993847440680).

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

4397538969720 is a wasteful number, since it uses less digits than its factorization.

4397538969720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939645109 (or 939645102 counting only the distinct ones).

The product of its (nonzero) digits is 617258880, while the sum is 72.

The spelling of 4397538969720 in words is "four trillion, three hundred ninety-seven billion, five hundred thirty-eight million, nine hundred sixty-nine thousand, seven hundred twenty".