45452004420 has 24 divisors (see below), whose sum is σ = 127265612544. Its totient is φ = 12120534496.

The previous prime is 45452004419. The next prime is 45452004427. The reversal of 45452004420 is 2440025454.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (45452004427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378766644 + ... + 378766763.

It is an arithmetic number, because the mean of its divisors is an integer number (5302733856).

Almost surely, 2^45452004420 is an apocalyptic number.

It is an amenable number.

45452004420 is an abundant number, since it is smaller than the sum of its proper divisors (81813608124).

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

45452004420 is a wasteful number, since it uses less digits than its factorization.

45452004420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757533419 (or 757533417 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 45452004420 its reverse (2440025454), we get a palindrome (47892029874).

The spelling of 45452004420 in words is "forty-five billion, four hundred fifty-two million, four thousand, four hundred twenty".