40100465 has 8 divisors (see below), whose sum is σ = 48328488. Its totient is φ = 31941760.

The previous prime is 40100441. The next prime is 40100491. The reversal of 40100465 is 56400104.

It is a happy number.

40100465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8549776 + 31550689 = 2924^2 + 5617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40100465 - 2¹⁰ = 40099441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16046 + ... + 18375.

It is an arithmetic number, because the mean of its divisors is an integer number (6041061).

Almost surely, 2^40100465 is an apocalyptic number.

It is an amenable number.

40100465 is a deficient number, since it is larger than the sum of its proper divisors (8228023).

40100465 is a wasteful number, since it uses less digits than its factorization.

40100465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34659.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40100465 is about 6332.4927951005. The cubic root of 40100465 is about 342.2812711812.

Adding to 40100465 its reverse (56400104), we get a palindrome (96500569).

The spelling of 40100465 in words is "forty million, one hundred thousand, four hundred sixty-five".