40585272 has 64 divisors (see below), whose sum is σ = 124884480. Its totient is φ = 10703232.

The previous prime is 40585253. The next prime is 40585277. The reversal of 40585272 is 27258504.

Added to its reverse (27258504) it gives a triangular number (67843776 = T₁₁₆₄₈).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40585277) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7108 + ... + 11475.

It is an arithmetic number, because the mean of its divisors is an integer number (1951320).

Almost surely, 2^40585272 is an apocalyptic number.

40585272 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40585272 is an abundant number, since it is smaller than the sum of its proper divisors (84299208).

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

40585272 is a wasteful number, since it uses less digits than its factorization.

40585272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18612 (or 18608 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 40585272 is about 6370.6571089645. The cubic root of 40585272 is about 343.6551212749.

Adding to 40585272 its reverse (27258504), we get a triangular number (67843776 = T₁₁₆₄₈).

The spelling of 40585272 in words is "forty million, five hundred eighty-five thousand, two hundred seventy-two".