4385997740772 has 36 divisors (see below), whose sum is σ = 11087327998656. Its totient is φ = 1461933263280.

The previous prime is 4385997740771. The next prime is 4385997740983. The reversal of 4385997740772 is 2770477995834.

4385997740772 is a `hidden beast` number, since 4 + 3 + 85 + 9 + 9 + 77 + 407 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4385997740772² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4385997740772.

It is not an unprimeable number, because it can be changed into a prime (4385997740771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1937304 + ... + 3539087.

It is an arithmetic number, because the mean of its divisors is an integer number (307981333296).

Almost surely, 2^{4385997740772} is an apocalyptic number.

It is an amenable number.

4385997740772 is an abundant number, since it is smaller than the sum of its proper divisors (6701330257884).

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

4385997740772 is a wasteful number, since it uses less digits than its factorization.

4385997740772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498648 (or 5498643 counting only the distinct ones).

The product of its (nonzero) digits is 746807040, while the sum is 72.

The spelling of 4385997740772 in words is "four trillion, three hundred eighty-five billion, nine hundred ninety-seven million, seven hundred forty thousand, seven hundred seventy-two".