3654648450 has 96 divisors (see below), whose sum is σ = 10084324800. Its totient is φ = 973244160.

The previous prime is 3654648401. The next prime is 3654648463. The reversal of 3654648450 is 548464563.

3654648450 is a `hidden beast` number, since 3 + 65 + 464 + 84 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 3654648396 and 3654648405.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1360809 + ... + 1363491.

It is an arithmetic number, because the mean of its divisors is an integer number (105045050).

Almost surely, 2^3654648450 is an apocalyptic number.

3654648450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3654648450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5042162400).

3654648450 is an abundant number, since it is smaller than the sum of its proper divisors (6429676350).

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

3654648450 is a wasteful number, since it uses less digits than its factorization.

3654648450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713 (or 3702 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The square root of 3654648450 is about 60453.6884730783. The cubic root of 3654648450 is about 1540.3350665201.

The spelling of 3654648450 in words is "three billion, six hundred fifty-four million, six hundred forty-eight thousand, four hundred fifty".