40206692 has 6 divisors (see below), whose sum is σ = 70361718. Its totient is φ = 20103344.

The previous prime is 40206653. The next prime is 40206707. The reversal of 40206692 is 29660204.

It can be written as a sum of positive squares in only one way, i.e., 39137536 + 1069156 = 6256^2 + 1034^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025833 + ... + 5025840.

It is an arithmetic number, because the mean of its divisors is an integer number (11726953).

Almost surely, 2^40206692 is an apocalyptic number.

It is an amenable number.

40206692 is a deficient number, since it is larger than the sum of its proper divisors (30155026).

40206692 is a wasteful number, since it uses less digits than its factorization.

40206692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10051677 (or 10051675 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 40206692 is about 6340.8747030674. The cubic root of 40206692 is about 342.5832415287.

Adding to 40206692 its reverse (29660204), we get a palindrome (69866896).

The spelling of 40206692 in words is "forty million, two hundred six thousand, six hundred ninety-two".