40106572 has 24 divisors (see below), whose sum is σ = 79898112. Its totient is φ = 17437200.

The previous prime is 40106543. The next prime is 40106579. The reversal of 40106572 is 27560104.

It is not an unprimeable number, because it can be changed into a prime (40106579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18804 + ... + 20827.

It is an arithmetic number, because the mean of its divisors is an integer number (3329088).

Almost surely, 2^40106572 is an apocalyptic number.

It is an amenable number.

40106572 is a deficient number, since it is larger than the sum of its proper divisors (39791540).

40106572 is a wasteful number, since it uses less digits than its factorization.

40106572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39669 (or 39667 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40106572 is about 6332.9749723175. The cubic root of 40106572 is about 342.2986459225.

Adding to 40106572 its reverse (27560104), we get a palindrome (67666676).

The spelling of 40106572 in words is "forty million, one hundred six thousand, five hundred seventy-two".