40236361 has 16 divisors (see below), whose sum is σ = 46033920. Its totient is φ = 34811920.

The previous prime is 40236323. The next prime is 40236377. The reversal of 40236361 is 16363204.

40236361 = T₁₈₅₉ + T₁₈₆₀ + ... + T₁₈₈₁.

It is not a de Polignac number, because 40236361 - 2⁹ = 40235849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40236461) 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, 90606 + ... + 91048.

It is an arithmetic number, because the mean of its divisors is an integer number (2877120).

Almost surely, 2^40236361 is an apocalyptic number.

It is an amenable number.

40236361 is a deficient number, since it is larger than the sum of its proper divisors (5797559).

40236361 is a wasteful number, since it uses less digits than its factorization.

40236361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 40236361 is about 6343.2137753666. The cubic root of 40236361 is about 342.6674862372.

Adding to 40236361 its reverse (16363204), we get a palindrome (56599565).

It can be divided in two parts, 402 and 36361, that added together give a palindrome (36763).

The spelling of 40236361 in words is "forty million, two hundred thirty-six thousand, three hundred sixty-one".