40161350 has 12 divisors (see below), whose sum is σ = 74700204. Its totient is φ = 16064520.

The previous prime is 40161313. The next prime is 40161403. The reversal of 40161350 is 5316104.

It is a super-2 number, since 2×40161350² = 3225868067645000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401564 + ... + 401663.

It is an arithmetic number, because the mean of its divisors is an integer number (6225017).

Almost surely, 2^40161350 is an apocalyptic number.

40161350 is a deficient number, since it is larger than the sum of its proper divisors (34538854).

40161350 is a wasteful number, since it uses less digits than its factorization.

40161350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803239 (or 803234 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 40161350 is about 6337.2983202623. The cubic root of 40161350 is about 342.4544134543.

Adding to 40161350 its reverse (5316104), we get a palindrome (45477454).

The spelling of 40161350 in words is "forty million, one hundred sixty-one thousand, three hundred fifty".