40449007 has 2 divisors, whose sum is σ = 40449008. Its totient is φ = 40449006.

The previous prime is 40448983. The next prime is 40449011. The reversal of 40449007 is 70094404.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40449007 is a prime.

It is a super-2 number, since 2×40449007² = 3272244334572098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40449047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20224503 + 20224504.

It is an arithmetic number, because the mean of its divisors is an integer number (20224504).

Almost surely, 2^40449007 is an apocalyptic number.

40449007 is a deficient number, since it is larger than the sum of its proper divisors (1).

40449007 is an equidigital number, since it uses as much as digits as its factorization.

40449007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 40449007 is about 6359.9533803323. The cubic root of 40449007 is about 343.2700828175.

The spelling of 40449007 in words is "forty million, four hundred forty-nine thousand, seven".