4551452040 has 64 divisors (see below), whose sum is σ = 13858176960. Its totient is φ = 1195603200.

The previous prime is 4551452021. The next prime is 4551452047. The reversal of 4551452040 is 402541554.

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

It is a junction number, because it is equal to n+sod(n) for n = 4551451989 and 4551452007.

It is not an unprimeable number, because it can be changed into a prime (4551452047) 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, 275011 + ... + 291090.

It is an arithmetic number, because the mean of its divisors is an integer number (216534015).

Almost surely, 2^4551452040 is an apocalyptic number.

4551452040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4551452040 is an abundant number, since it is smaller than the sum of its proper divisors (9306724920).

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

4551452040 is a wasteful number, since it uses less digits than its factorization.

4551452040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566182 (or 566178 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 4551452040 is about 67464.4501941578. The cubic root of 4551452040 is about 1657.2320494856.

Adding to 4551452040 its reverse (402541554), we get a palindrome (4953993594).

The spelling of 4551452040 in words is "four billion, five hundred fifty-one million, four hundred fifty-two thousand, forty".