366622531640 has 32 divisors (see below), whose sum is σ = 827264340000. Its totient is φ = 146228809344.

The previous prime is 366622531591. The next prime is 366622531643. The reversal of 366622531640 is 46135226663.

It is a super-2 number, since 2×366622531640² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 366622531591 and 366622531600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366622531643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13117220 + ... + 13145139.

It is an arithmetic number, because the mean of its divisors is an integer number (25852010625).

Almost surely, 2^366622531640 is an apocalyptic number.

It is an amenable number.

366622531640 is an abundant number, since it is smaller than the sum of its proper divisors (460641808360).

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

366622531640 is a wasteful number, since it uses less digits than its factorization.

366622531640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26262719 (or 26262715 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 366622531640 in words is "three hundred sixty-six billion, six hundred twenty-two million, five hundred thirty-one thousand, six hundred forty".