4342521234420 has 72 divisors (see below), whose sum is σ = 13865594127840. Its totient is φ = 1097057995200.

The previous prime is 4342521234413. The next prime is 4342521234427. The reversal of 4342521234420 is 244321252434.

4342521234420 is a `hidden beast` number, since 4 + 3 + 42 + 52 + 123 + 442 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (4342521234413) and next prime (4342521234427).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4342521234427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634868106 + ... + 634874945.

It is an arithmetic number, because the mean of its divisors is an integer number (192577696220).

Almost surely, 2^{4342521234420} is an apocalyptic number.

It is an amenable number.

4342521234420 is an abundant number, since it is smaller than the sum of its proper divisors (9523072893420).

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

4342521234420 is a wasteful number, since it uses less digits than its factorization.

4342521234420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269743085 (or 1269743080 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 4342521234420 its reverse (244321252434), we get a palindrome (4586842486854).

The spelling of 4342521234420 in words is "four trillion, three hundred forty-two billion, five hundred twenty-one million, two hundred thirty-four thousand, four hundred twenty".