451540360 has 16 divisors (see below), whose sum is σ = 1015965900. Its totient is φ = 180616128.

The previous prime is 451540357. The next prime is 451540387. The reversal of 451540360 is 63045154.

It can be written as a sum of positive squares in 2 ways, for example, as 430728516 + 20811844 = 20754^2 + 4562^2 .

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, 5644215 + ... + 5644294.

Almost surely, 2^451540360 is an apocalyptic number.

451540360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451540360 is an abundant number, since it is smaller than the sum of its proper divisors (564425540).

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

451540360 is a wasteful number, since it uses less digits than its factorization.

451540360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11288520 (or 11288516 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 451540360 is about 21249.4790524380. The cubic root of 451540360 is about 767.1828013685.

The spelling of 451540360 in words is "four hundred fifty-one million, five hundred forty thousand, three hundred sixty".