40181024 has 24 divisors (see below), whose sum is σ = 85192380. Its totient is φ = 18544896.

The previous prime is 40181017. The next prime is 40181041. The reversal of 40181024 is 42018104.

It can be written as a sum of positive squares in 2 ways, for example, as 31584400 + 8596624 = 5620^2 + 2932^2 .

It is a super-2 number, since 2×40181024² = 3229029379377152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40180987 and 40181005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47879 + ... + 48710.

Almost surely, 2^40181024 is an apocalyptic number.

It is an amenable number.

40181024 is an abundant number, since it is smaller than the sum of its proper divisors (45011356).

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

40181024 is a wasteful number, since it uses less digits than its factorization.

40181024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96612 (or 96604 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 40181024 is about 6338.8503689549. The cubic root of 40181024 is about 342.5103241600.

Adding to 40181024 its reverse (42018104), we get a palindrome (82199128).

The spelling of 40181024 in words is "forty million, one hundred eighty-one thousand, twenty-four".