3655481456 has 20 divisors (see below), whose sum is σ = 7726358904. Its totient is φ = 1661582400.

The previous prime is 3655481449. The next prime is 3655481461. The reversal of 3655481456 is 6541845563.

It is a self number, because there is not a number n which added to its sum of digits gives 3655481456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10384715 + ... + 10385066.

Almost surely, 2^3655481456 is an apocalyptic number.

It is an amenable number.

3655481456 is an abundant number, since it is smaller than the sum of its proper divisors (4070877448).

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

3655481456 is a wasteful number, since it uses less digits than its factorization.

3655481456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20769800 (or 20769794 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 47.

The square root of 3655481456 is about 60460.5777015073. The cubic root of 3655481456 is about 1540.4520874315.

The spelling of 3655481456 in words is "three billion, six hundred fifty-five million, four hundred eighty-one thousand, four hundred fifty-six".