3678520540 has 12 divisors (see below), whose sum is σ = 7724893176. Its totient is φ = 1471408208.

The previous prime is 3678520511. The next prime is 3678520553. The reversal of 3678520540 is 450258763.

3678520540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3678520493 and 3678520502.

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, 91962994 + ... + 91963033.

It is an arithmetic number, because the mean of its divisors is an integer number (643741098).

Almost surely, 2^3678520540 is an apocalyptic number.

It is an amenable number.

3678520540 is an abundant number, since it is smaller than the sum of its proper divisors (4046372636).

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

3678520540 is a wasteful number, since it uses less digits than its factorization.

3678520540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183926036 (or 183926034 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 3678520540 is about 60650.8082386377. The cubic root of 3678520540 is about 1543.6816030934.

The spelling of 3678520540 in words is "three billion, six hundred seventy-eight million, five hundred twenty thousand, five hundred forty".