240402030441420 has 48 divisors (see below), whose sum is σ = 673145455637088. Its totient is φ = 64105325222400.

The previous prime is 240402030441359. The next prime is 240402030441511. The reversal of 240402030441420 is 24144030204042.

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 15 ways as a sum of consecutive naturals, for example, 56780031 + ... + 60866870.

It is an arithmetic number, because the mean of its divisors is an integer number (14023863659106).

Almost surely, 2^{240402030441420} is an apocalyptic number.

240402030441420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240402030441420 is an abundant number, since it is smaller than the sum of its proper divisors (432743425195668).

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

240402030441420 is a wasteful number, since it uses less digits than its factorization.

240402030441420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117680970 (or 117680968 counting only the distinct ones).

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

Adding to 240402030441420 its reverse (24144030204042), we get a palindrome (264546060645462).

The spelling of 240402030441420 in words is "two hundred forty trillion, four hundred two billion, thirty million, four hundred forty-one thousand, four hundred twenty".