40200907 has 4 divisors (see below), whose sum is σ = 41287456. Its totient is φ = 39114360.

The previous prime is 40200883. The next prime is 40200917. The reversal of 40200907 is 70900204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40200907 - 2⁷ = 40200779 is a prime.

It is a super-2 number, since 2×40200907² = 3232225847245298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40200917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543219 + ... + 543292.

It is an arithmetic number, because the mean of its divisors is an integer number (10321864).

Almost surely, 2^40200907 is an apocalyptic number.

40200907 is a deficient number, since it is larger than the sum of its proper divisors (1086549).

40200907 is a wasteful number, since it uses less digits than its factorization.

40200907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086548.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 40200907 is about 6340.4185193093. The cubic root of 40200907 is about 342.5668102746.

Adding to 40200907 its reverse (70900204), we get a palindrome (111101111).

The spelling of 40200907 in words is "forty million, two hundred thousand, nine hundred seven".