461044440 has 64 divisors (see below), whose sum is σ = 1536818400. Its totient is φ = 122944896.

The previous prime is 461044439. The next prime is 461044459. The reversal of 461044440 is 44440164.

461044440 is a `hidden beast` number, since 4 + 610 + 4 + 4 + 4 + 40 = 666.

It is a super-3 number, since 3×461044440³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212367 + ... + 214526.

Almost surely, 2^461044440 is an apocalyptic number.

461044440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

461044440 is an abundant number, since it is smaller than the sum of its proper divisors (1075773960).

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

461044440 is a wasteful number, since it uses less digits than its factorization.

461044440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426913 (or 426903 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 461044440 is about 21471.9454172183. The cubic root of 461044440 is about 772.5280600610.

The spelling of 461044440 in words is "four hundred sixty-one million, forty-four thousand, four hundred forty".