224494541640 has 48 divisors (see below), whose sum is σ = 729607261500. Its totient is φ = 59865211008.

The previous prime is 224494541627. The next prime is 224494541651. The reversal of 224494541640 is 46145494422.

224494541640 is a `hidden beast` number, since 2 + 2 + 4 + 49 + 4 + 541 + 64 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 206564796036 + 17929745604 = 454494^2 + 133902^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 311797615 + ... + 311798334.

Almost surely, 2^224494541640 is an apocalyptic number.

224494541640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224494541640 is an abundant number, since it is smaller than the sum of its proper divisors (505112719860).

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

224494541640 is a wasteful number, since it uses less digits than its factorization.

224494541640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623595966 (or 623595959 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 224494541640 in words is "two hundred twenty-four billion, four hundred ninety-four million, five hundred forty-one thousand, six hundred forty".