40700407 has 12 divisors (see below), whose sum is σ = 45950968. Its totient is φ = 35996400.

The previous prime is 40700357. The next prime is 40700411. The reversal of 40700407 is 70400704.

It is a happy number.

It is not a de Polignac number, because 40700407 - 2¹⁵ = 40667639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40700437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69 + ... + 9022.

Almost surely, 2^40700407 is an apocalyptic number.

40700407 is a deficient number, since it is larger than the sum of its proper divisors (5250561).

40700407 is a wasteful number, since it uses less digits than its factorization.

40700407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9150 (or 9139 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 40700407 is about 6379.6870612907. The cubic root of 40700407 is about 343.9797823660.

Adding to 40700407 its reverse (70400704), we get a palindrome (111101111).

It can be divided in two parts, 40700 and 407, that multiplied together give a square (16564900 = 4070²).

The spelling of 40700407 in words is "forty million, seven hundred thousand, four hundred seven".