3644362554 has 24 divisors (see below), whose sum is σ = 8478721728. Its totient is φ = 1041246360.

The previous prime is 3644362529. The next prime is 3644362597. The reversal of 3644362554 is 4552634463.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6197602 + ... + 6198189.

It is an arithmetic number, because the mean of its divisors is an integer number (353280072).

Almost surely, 2^3644362554 is an apocalyptic number.

3644362554 is an abundant number, since it is smaller than the sum of its proper divisors (4834359174).

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

3644362554 is a wasteful number, since it uses less digits than its factorization.

3644362554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12395810 (or 12395803 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 42.

The square root of 3644362554 is about 60368.5560039330. The cubic root of 3644362554 is about 1538.8886334185. Note that the first 3 decimals are identical.

The spelling of 3644362554 in words is "three billion, six hundred forty-four million, three hundred sixty-two thousand, five hundred fifty-four".