40484565 has 72 divisors (see below), whose sum is σ = 81607968. Its totient is φ = 18408960.

The previous prime is 40484557. The next prime is 40484567. The reversal of 40484565 is 56548404.

It is not a de Polignac number, because 40484565 - 2³ = 40484557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40484567) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 142914 + ... + 143196.

It is an arithmetic number, because the mean of its divisors is an integer number (1133444).

Almost surely, 2^40484565 is an apocalyptic number.

40484565 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40484565 is an abundant number, since it is smaller than the sum of its proper divisors (41123403).

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

40484565 is a wasteful number, since it uses less digits than its factorization.

40484565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 40484565 is about 6362.7482269849. The cubic root of 40484565 is about 343.3706408910.

The spelling of 40484565 in words is "forty million, four hundred eighty-four thousand, five hundred sixty-five".