3642406002220 has 12 divisors (see below), whose sum is σ = 7649052604704. Its totient is φ = 1456962400880.

The previous prime is 3642406002187. The next prime is 3642406002223. The reversal of 3642406002220 is 222006042463.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3642406002223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91060150036 + ... + 91060150075.

It is an arithmetic number, because the mean of its divisors is an integer number (637421050392).

Almost surely, 2^{3642406002220} is an apocalyptic number.

It is an amenable number.

3642406002220 is an abundant number, since it is smaller than the sum of its proper divisors (4006646602484).

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

3642406002220 is a wasteful number, since it uses less digits than its factorization.

3642406002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182120300120 (or 182120300118 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The spelling of 3642406002220 in words is "three trillion, six hundred forty-two billion, four hundred six million, two thousand, two hundred twenty".