40152361 has 2 divisors, whose sum is σ = 40152362. Its totient is φ = 40152360.

The previous prime is 40152349. The next prime is 40152367. The reversal of 40152361 is 16325104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28558336 + 11594025 = 5344^2 + 3405^2 .

It is a cyclic number.

It is not a de Polignac number, because 40152361 - 2²¹ = 38055209 is a prime.

It is a super-2 number, since 2×40152361² = 3224424187748642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40152367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20076180 + 20076181.

It is an arithmetic number, because the mean of its divisors is an integer number (20076181).

Almost surely, 2^40152361 is an apocalyptic number.

It is an amenable number.

40152361 is a deficient number, since it is larger than the sum of its proper divisors (1).

40152361 is an equidigital number, since it uses as much as digits as its factorization.

40152361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 40152361 is about 6336.5890666825. The cubic root of 40152361 is about 342.4288619193.

Adding to 40152361 its reverse (16325104), we get a palindrome (56477465).

The spelling of 40152361 in words is "forty million, one hundred fifty-two thousand, three hundred sixty-one".