40011010 has 32 divisors (see below), whose sum is σ = 80241840. Its totient is φ = 14262528.

The previous prime is 40011001. The next prime is 40011019. The reversal of 40011010 is 1011004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40011001) and next prime (40011019).

It can be written as a sum of positive squares in 8 ways, for example, as 24730729 + 15280281 = 4973^2 + 3909^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40010984 and 40011002.

It is not an unprimeable number, because it can be changed into a prime (40011019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1537 + ... + 9076.

Almost surely, 2^40011010 is an apocalyptic number.

40011010 is an abundant number, since it is smaller than the sum of its proper divisors (40230830).

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

40011010 is a wasteful number, since it uses less digits than its factorization.

40011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10662.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 40011010 is about 6325.4256773754. The cubic root of 40011010 is about 342.0265645155.

Adding to 40011010 its reverse (1011004), we get a palindrome (41022014).

The spelling of 40011010 in words is "forty million, eleven thousand, ten".