43425403425450 has 72 divisors (see below), whose sum is σ = 116670616233600. Its totient is φ = 11580005112480.

The previous prime is 43425403425449. The next prime is 43425403425457. The reversal of 43425403425450 is 5452430452434.

43425403425450 is a `hidden beast` number, since 4 + 3 + 4 + 2 + 540 + 3 + 4 + 2 + 54 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 43425403425396 and 43425403425405.

It is not an unprimeable number, because it can be changed into a prime (43425403425457) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59966631 + ... + 60686469.

Almost surely, 2^{43425403425450} is an apocalyptic number.

43425403425450 is an abundant number, since it is smaller than the sum of its proper divisors (73245212808150).

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

43425403425450 is a wasteful number, since it uses less digits than its factorization.

43425403425450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853916 (or 853908 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 45.

Adding to 43425403425450 its reverse (5452430452434), we get a palindrome (48877833877884).

The spelling of 43425403425450 in words is "forty-three trillion, four hundred twenty-five billion, four hundred three million, four hundred twenty-five thousand, four hundred fifty".