1220544052408 has 8 divisors (see below), whose sum is σ = 2288520098280. Its totient is φ = 610272026200.

The previous prime is 1220544052391. The next prime is 1220544052421. The reversal of 1220544052408 is 8042504450221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76284003268 + ... + 76284003283.

It is an arithmetic number, because the mean of its divisors is an integer number (286065012285).

Almost surely, 2^{1220544052408} is an apocalyptic number.

It is an amenable number.

1220544052408 is a deficient number, since it is larger than the sum of its proper divisors (1067976045872).

1220544052408 is a wasteful number, since it uses less digits than its factorization.

1220544052408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152568006557 (or 152568006553 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 37.

The spelling of 1220544052408 in words is "one trillion, two hundred twenty billion, five hundred forty-four million, fifty-two thousand, four hundred eight".