240310042440420 has 96 divisors (see below), whose sum is σ = 673007015794176. Its totient is φ = 64069451366400.

The previous prime is 240310042440389. The next prime is 240310042440443. The reversal of 240310042440420 is 24044240013042.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9047463940 + ... + 9047490500.

It is an arithmetic number, because the mean of its divisors is an integer number (7010489747856).

Almost surely, 2^{240310042440420} is an apocalyptic number.

240310042440420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240310042440420 is an abundant number, since it is smaller than the sum of its proper divisors (432696973353756).

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

240310042440420 is a wasteful number, since it uses less digits than its factorization.

240310042440420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52021 (or 52019 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 240310042440420 its reverse (24044240013042), we get a palindrome (264354282453462).

The spelling of 240310042440420 in words is "two hundred forty trillion, three hundred ten billion, forty-two million, four hundred forty thousand, four hundred twenty".