40446465 has 16 divisors (see below), whose sum is σ = 64799808. Its totient is φ = 21542976.

The previous prime is 40446449. The next prime is 40446467. The reversal of 40446465 is 56464404.

It is not a de Polignac number, because 40446465 - 2⁴ = 40446449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40446467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15162 + ... + 17628.

It is an arithmetic number, because the mean of its divisors is an integer number (4049988).

Almost surely, 2^40446465 is an apocalyptic number.

It is an amenable number.

40446465 is a deficient number, since it is larger than the sum of its proper divisors (24353343).

40446465 is a wasteful number, since it uses less digits than its factorization.

40446465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 40446465 is about 6359.7535329602. The cubic root of 40446465 is about 343.2628917812.

The spelling of 40446465 in words is "forty million, four hundred forty-six thousand, four hundred sixty-five".