4351231440045 has 48 divisors (see below), whose sum is σ = 9073244519040. Its totient is φ = 1884443087232.

The previous prime is 4351231440041. The next prime is 4351231440067. The reversal of 4351231440045 is 5400441321534.

It is not a de Polignac number, because 4351231440045 - 2² = 4351231440041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4351231439991 and 4351231440009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4351231440041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 363505414 + ... + 363517383.

It is an arithmetic number, because the mean of its divisors is an integer number (189025927480).

Almost surely, 2^{4351231440045} is an apocalyptic number.

4351231440045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4351231440045 is an abundant number, since it is smaller than the sum of its proper divisors (4722013078995).

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

4351231440045 is a wasteful number, since it uses less digits than its factorization.

4351231440045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727022834 (or 727022831 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 4351231440045 its reverse (5400441321534), we get a palindrome (9751672761579).

The spelling of 4351231440045 in words is "four trillion, three hundred fifty-one billion, two hundred thirty-one million, four hundred forty thousand, forty-five".