450401540 has 12 divisors (see below), whose sum is σ = 945843276. Its totient is φ = 180160608.

The previous prime is 450401533. The next prime is 450401597. The reversal of 450401540 is 45104054.

It can be written as a sum of positive squares in 2 ways, for example, as 77757124 + 372644416 = 8818^2 + 19304^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11260019 + ... + 11260058.

It is an arithmetic number, because the mean of its divisors is an integer number (78820273).

Almost surely, 2^450401540 is an apocalyptic number.

It is an amenable number.

450401540 is an abundant number, since it is smaller than the sum of its proper divisors (495441736).

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

450401540 is a wasteful number, since it uses less digits than its factorization.

450401540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22520086 (or 22520084 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 450401540 is about 21222.6657138070. The cubic root of 450401540 is about 766.5372934397.

Adding to 450401540 its reverse (45104054), we get a palindrome (495505594).

The spelling of 450401540 in words is "four hundred fifty million, four hundred one thousand, five hundred forty".