3607221540 has 48 divisors (see below), whose sum is σ = 10877162688. Its totient is φ = 887931264.

The previous prime is 3607221529. The next prime is 3607221587. The reversal of 3607221540 is 451227063.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3607221498 and 3607221507.

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, 2311542 + ... + 2313101.

It is an arithmetic number, because the mean of its divisors is an integer number (226607556).

Almost surely, 2^3607221540 is an apocalyptic number.

3607221540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3607221540 is an abundant number, since it is smaller than the sum of its proper divisors (7269941148).

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

3607221540 is a wasteful number, since it uses less digits than its factorization.

3607221540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624668 (or 4624666 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 3607221540 is about 60060.1493504637. The cubic root of 3607221540 is about 1533.6429829371.

It can be divided in two parts, 360 and 7221540, that added together give a triangular number (7221900 = T₃₈₀₀).

The spelling of 3607221540 in words is "three billion, six hundred seven million, two hundred twenty-one thousand, five hundred forty".