240022420440 has 64 divisors (see below), whose sum is σ = 785527925760. Its totient is φ = 58187253120.

The previous prime is 240022420439. The next prime is 240022420447. The reversal of 240022420440 is 44024220042.

It is a super-2 number, since 2×240022420440² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 240022420440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240022420447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90916264 + ... + 90918903.

It is an arithmetic number, because the mean of its divisors is an integer number (12273873840).

Almost surely, 2^240022420440 is an apocalyptic number.

240022420440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240022420440 is an abundant number, since it is smaller than the sum of its proper divisors (545505505320).

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

240022420440 is a wasteful number, since it uses less digits than its factorization.

240022420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181835192 (or 181835188 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 240022420440 its reverse (44024220042), we get a palindrome (284046640482).

It can be divided in two parts, 24002 and 2420440, that added together give a palindrome (2444442).

The spelling of 240022420440 in words is "two hundred forty billion, twenty-two million, four hundred twenty thousand, four hundred forty".