40162530 has 16 divisors (see below), whose sum is σ = 96390144. Its totient is φ = 10710000.

The previous prime is 40162489. The next prime is 40162541. The reversal of 40162530 is 3526104.

It is a happy number.

It is a super-2 number, since 2×40162530² = 3226057632001800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40162497 and 40162506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669346 + ... + 669405.

It is an arithmetic number, because the mean of its divisors is an integer number (6024384).

Almost surely, 2^40162530 is an apocalyptic number.

40162530 is an abundant number, since it is smaller than the sum of its proper divisors (56227614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40162530 is a wasteful number, since it uses less digits than its factorization.

40162530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338761.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40162530 is about 6337.3914191882. The cubic root of 40162530 is about 342.4577673609.

Adding to 40162530 its reverse (3526104), we get a palindrome (43688634).

The spelling of 40162530 in words is "forty million, one hundred sixty-two thousand, five hundred thirty".