3648758454 has 64 divisors (see below), whose sum is σ = 8944992000. Its totient is φ = 1093245120.

The previous prime is 3648758437. The next prime is 3648758483. The reversal of 3648758454 is 4548578463.

It is a happy number.

3648758454 is a `hidden beast` number, since 3 + 6 + 4 + 8 + 7 + 584 + 54 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 3648758454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18357 + ... + 87375.

It is an arithmetic number, because the mean of its divisors is an integer number (139765500).

Almost surely, 2^3648758454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3648758454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4472496000).

3648758454 is an abundant number, since it is smaller than the sum of its proper divisors (5296233546).

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

3648758454 is a wasteful number, since it uses less digits than its factorization.

3648758454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69130 (or 69124 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 54.

The square root of 3648758454 is about 60404.9538862501. The cubic root of 3648758454 is about 1539.5071304643.

Subtracting 3648758454 from its reverse (4548578463), we obtain a square (899820009 = 29997²).

The spelling of 3648758454 in words is "three billion, six hundred forty-eight million, seven hundred fifty-eight thousand, four hundred fifty-four".