3654802040 has 64 divisors (see below), whose sum is σ = 8509950720. Its totient is φ = 1411200000.

The previous prime is 3654802031. The next prime is 3654802061. The reversal of 3654802040 is 402084563.

It is a junction number, because it is equal to n+sod(n) for n = 3654801988 and 3654802006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518540 + ... + 525540.

It is an arithmetic number, because the mean of its divisors is an integer number (132967980).

Almost surely, 2^3654802040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3654802040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4254975360).

3654802040 is an abundant number, since it is smaller than the sum of its proper divisors (4855148680).

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

3654802040 is a wasteful number, since it uses less digits than its factorization.

3654802040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7464 (or 7460 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 3654802040 is about 60454.9587709726. The cubic root of 3654802040 is about 1540.3566442224.

The spelling of 3654802040 in words is "three billion, six hundred fifty-four million, eight hundred two thousand, forty".