4351343025040 has 80 divisors (see below), whose sum is σ = 11117147564160. Its totient is φ = 1570756828160.

The previous prime is 4351343025011. The next prime is 4351343025041. The reversal of 4351343025040 is 405203431534.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×4351343025040² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4351343024987 and 4351343025005.

It is not an unprimeable number, because it can be changed into a prime (4351343025041) 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, 17925820 + ... + 18166939.

It is an arithmetic number, because the mean of its divisors is an integer number (138964344552).

Almost surely, 2^{4351343025040} is an apocalyptic number.

4351343025040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4351343025040 is an abundant number, since it is smaller than the sum of its proper divisors (6765804539120).

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

4351343025040 is a wasteful number, since it uses less digits than its factorization.

4351343025040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36092920 (or 36092914 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 4351343025040 its reverse (405203431534), we get a palindrome (4756546456574).

The spelling of 4351343025040 in words is "four trillion, three hundred fifty-one billion, three hundred forty-three million, twenty-five thousand, forty".