227534162440 has 32 divisors (see below), whose sum is σ = 551332779480. Its totient is φ = 84012613632.

The previous prime is 227534162431. The next prime is 227534162477. The reversal of 227534162440 is 44261435722.

It can be written as a sum of positive squares in 4 ways, for example, as 155991821764 + 71542340676 = 394958^2 + 267474^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 227534162393 and 227534162402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218782329 + ... + 218783368.

Almost surely, 2^227534162440 is an apocalyptic number.

227534162440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227534162440 is an abundant number, since it is smaller than the sum of its proper divisors (323798617040).

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

227534162440 is a wasteful number, since it uses less digits than its factorization.

227534162440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437565721 (or 437565717 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 227534162440 in words is "two hundred twenty-seven billion, five hundred thirty-four million, one hundred sixty-two thousand, four hundred forty".