451808948 has 12 divisors (see below), whose sum is σ = 795702852. Its totient is φ = 224465280.

The previous prime is 451808909. The next prime is 451808963. The reversal of 451808948 is 849808154.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 93161104 + 358647844 = 9652^2 + 18938^2 .

It is a super-3 number, since 3×451808948³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

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, 359093 + ... + 360348.

It is an arithmetic number, because the mean of its divisors is an integer number (66308571).

Almost surely, 2^451808948 is an apocalyptic number.

It is an amenable number.

451808948 is a deficient number, since it is larger than the sum of its proper divisors (343893904).

451808948 is a wasteful number, since it uses less digits than its factorization.

451808948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719602 (or 719600 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 451808948 is about 21255.7979854909. The cubic root of 451808948 is about 767.3348846743.

The spelling of 451808948 in words is "four hundred fifty-one million, eight hundred eight thousand, nine hundred forty-eight".