240305042153420 has 12 divisors (see below), whose sum is σ = 504640588522224. Its totient is φ = 96122016861360.

The previous prime is 240305042153353. The next prime is 240305042153479. The reversal of 240305042153420 is 24351240503042.

It is a happy number.

It is a super-2 number, since 2×240305042153420² (a number of 30 digits) contains 22 as substring.

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, 6007626053816 + ... + 6007626053855.

It is an arithmetic number, because the mean of its divisors is an integer number (42053382376852).

Almost surely, 2^{240305042153420} is an apocalyptic number.

240305042153420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240305042153420 is an abundant number, since it is smaller than the sum of its proper divisors (264335546368804).

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

240305042153420 is a wasteful number, since it uses less digits than its factorization.

240305042153420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12015252107680 (or 12015252107678 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 240305042153420 its reverse (24351240503042), we get a palindrome (264656282656462).

The spelling of 240305042153420 in words is "two hundred forty trillion, three hundred five billion, forty-two million, one hundred fifty-three thousand, four hundred twenty".