45486440 has 16 divisors (see below), whose sum is σ = 102344580. Its totient is φ = 18194560.

The previous prime is 45486421. The next prime is 45486451. The reversal of 45486440 is 4468454.

It can be written as a sum of positive squares in 2 ways, for example, as 43903876 + 1582564 = 6626^2 + 1258^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45486440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568541 + ... + 568620.

Almost surely, 2^45486440 is an apocalyptic number.

45486440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45486440 is an abundant number, since it is smaller than the sum of its proper divisors (56858140).

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

45486440 is a wasteful number, since it uses less digits than its factorization.

45486440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137172 (or 1137168 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 45486440 is about 6744.3635726435. The cubic root of 45486440 is about 356.9663807733.

The spelling of 45486440 in words is "forty-five million, four hundred eighty-six thousand, four hundred forty".