427423240 has 32 divisors (see below), whose sum is σ = 1012320000. Its totient is φ = 161970624.

The previous prime is 427423219. The next prime is 427423253. The reversal of 427423240 is 42324724.

It is a junction number, because it is equal to n+sod(n) for n = 427423199 and 427423208.

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, 280440 + ... + 281959.

It is an arithmetic number, because the mean of its divisors is an integer number (31635000).

Almost surely, 2^427423240 is an apocalyptic number.

427423240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427423240 is an abundant number, since it is smaller than the sum of its proper divisors (584896760).

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

427423240 is a wasteful number, since it uses less digits than its factorization.

427423240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562429 (or 562425 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 427423240 is about 20674.2167929042. The cubic root of 427423240 is about 753.2735370781.

Adding to 427423240 its reverse (42324724), we get a palindrome (469747964).

The spelling of 427423240 in words is "four hundred twenty-seven million, four hundred twenty-three thousand, two hundred forty".