427474440 has 48 divisors (see below), whose sum is σ = 1389293100. Its totient is φ = 113993088.

The previous prime is 427474427. The next prime is 427474459. The reversal of 427474440 is 44474724.

It can be written as a sum of positive squares in 2 ways, for example, as 418366116 + 9108324 = 20454^2 + 3018^2 .

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 = 427474395 and 427474404.

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, 593355 + ... + 594074.

Almost surely, 2^427474440 is an apocalyptic number.

427474440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427474440 is an abundant number, since it is smaller than the sum of its proper divisors (961818660).

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

427474440 is a wasteful number, since it uses less digits than its factorization.

427474440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187446 (or 1187439 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 36.

The square root of 427474440 is about 20675.4550131309. The cubic root of 427474440 is about 753.3036134846.

The spelling of 427474440 in words is "four hundred twenty-seven million, four hundred seventy-four thousand, four hundred forty".