40150321 has 4 divisors (see below), whose sum is σ = 40456944. Its totient is φ = 39843700.

The previous prime is 40150283. The next prime is 40150351. The reversal of 40150321 is 12305104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40150321 - 2¹³ = 40142129 is a prime.

It is a super-2 number, since 2×40150321² = 3224096552806082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40150295 and 40150304.

It is not an unprimeable number, because it can be changed into a prime (40150351) 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 3 ways as a sum of consecutive naturals, for example, 153115 + ... + 153376.

It is an arithmetic number, because the mean of its divisors is an integer number (10114236).

Almost surely, 2^40150321 is an apocalyptic number.

It is an amenable number.

40150321 is a deficient number, since it is larger than the sum of its proper divisors (306623).

40150321 is a wasteful number, since it uses less digits than its factorization.

40150321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306622.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 40150321 is about 6336.4280947550. The cubic root of 40150321 is about 342.4230626197.

Adding to 40150321 its reverse (12305104), we get a palindrome (52455425).

The spelling of 40150321 in words is "forty million, one hundred fifty thousand, three hundred twenty-one".