224402606640 has 60 divisors (see below), whose sum is σ = 753618756384. Its totient is φ = 59840694912.

The previous prime is 224402606639. The next prime is 224402606657. The reversal of 224402606640 is 46606204422.

224402606640 is a `hidden beast` number, since 2 + 2 + 4 + 4 + 0 + 2 + 6 + 0 + 6 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 224402606595 and 224402606604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155834424 + ... + 155835863.

Almost surely, 2^224402606640 is an apocalyptic number.

224402606640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224402606640 is an abundant number, since it is smaller than the sum of its proper divisors (529216149744).

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

224402606640 is a wasteful number, since it uses less digits than its factorization.

224402606640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311670306 (or 311670297 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 224402606640 in words is "two hundred twenty-four billion, four hundred two million, six hundred six thousand, six hundred forty".