452226540 has 24 divisors (see below), whose sum is σ = 1266234480. Its totient is φ = 120593728.

The previous prime is 452226521. The next prime is 452226557. The reversal of 452226540 is 45622254.

It is a happy number.

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 = 452226498 and 452226507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3768495 + ... + 3768614.

It is an arithmetic number, because the mean of its divisors is an integer number (52759770).

Almost surely, 2^452226540 is an apocalyptic number.

It is an amenable number.

452226540 is an abundant number, since it is smaller than the sum of its proper divisors (814007940).

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

452226540 is a wasteful number, since it uses less digits than its factorization.

452226540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537121 (or 7537119 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 452226540 is about 21265.6187307118. The cubic root of 452226540 is about 767.5712192573.

Adding to 452226540 its reverse (45622254), we get a palindrome (497848794).

The spelling of 452226540 in words is "four hundred fifty-two million, two hundred twenty-six thousand, five hundred forty".