3642220340 has 48 divisors (see below), whose sum is σ = 8357537664. Its totient is φ = 1322294400.

The previous prime is 3642220339. The next prime is 3642220423. The reversal of 3642220340 is 430222463.

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 15 ways as a sum of consecutive naturals, for example, 125702 + ... + 151938.

It is an arithmetic number, because the mean of its divisors is an integer number (174115368).

Almost surely, 2^3642220340 is an apocalyptic number.

It is an amenable number.

3642220340 is an abundant number, since it is smaller than the sum of its proper divisors (4715317324).

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

3642220340 is a wasteful number, since it uses less digits than its factorization.

3642220340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26888 (or 26886 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 3642220340 is about 60350.8105993615. The cubic root of 3642220340 is about 1538.5870466184.

The spelling of 3642220340 in words is "three billion, six hundred forty-two million, two hundred twenty thousand, three hundred forty".