240031420 has 12 divisors (see below), whose sum is σ = 504066024. Its totient is φ = 96012560.

The previous prime is 240031403. The next prime is 240031433. The reversal of 240031420 is 24130042.

It is a junction number, because it is equal to n+sod(n) for n = 240031394 and 240031403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6000766 + ... + 6000805.

It is an arithmetic number, because the mean of its divisors is an integer number (42005502).

Almost surely, 2^240031420 is an apocalyptic number.

240031420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240031420 is an abundant number, since it is smaller than the sum of its proper divisors (264034604).

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

240031420 is a wasteful number, since it uses less digits than its factorization.

240031420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12001580 (or 12001578 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 240031420 is about 15492.9474277815. The cubic root of 240031420 is about 621.4736192422.

Adding to 240031420 its reverse (24130042), we get a palindrome (264161462).

The spelling of 240031420 in words is "two hundred forty million, thirty-one thousand, four hundred twenty".