40031060 has 12 divisors (see below), whose sum is σ = 84065268. Its totient is φ = 16012416.

The previous prime is 40031051. The next prime is 40031071. The reversal of 40031060 is 6013004.

It can be written as a sum of positive squares in 2 ways, for example, as 28430224 + 11600836 = 5332^2 + 3406^2 .

It is a congruent number.

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, 1000757 + ... + 1000796.

It is an arithmetic number, because the mean of its divisors is an integer number (7005439).

Almost surely, 2^40031060 is an apocalyptic number.

It is an amenable number.

40031060 is an abundant number, since it is smaller than the sum of its proper divisors (44034208).

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

40031060 is a wasteful number, since it uses less digits than its factorization.

40031060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001562 (or 2001560 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 40031060 is about 6327.0103524493. The cubic root of 40031060 is about 342.0836861882.

Adding to 40031060 its reverse (6013004), we get a palindrome (46044064).

The spelling of 40031060 in words is "forty million, thirty-one thousand, sixty".