40529407 has 2 divisors, whose sum is σ = 40529408. Its totient is φ = 40529406.

The previous prime is 40529399. The next prime is 40529417. The reversal of 40529407 is 70492504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40529407 - 2³ = 40529399 is a prime.

It is a Chen prime.

It is equal to p_2463925 and since 40529407 and 2463925 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40529417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20264703 + 20264704.

It is an arithmetic number, because the mean of its divisors is an integer number (20264704).

Almost surely, 2^40529407 is an apocalyptic number.

40529407 is a deficient number, since it is larger than the sum of its proper divisors (1).

40529407 is an equidigital number, since it uses as much as digits as its factorization.

40529407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 40529407 is about 6366.2710435545. The cubic root of 40529407 is about 343.4973702168.

The spelling of 40529407 in words is "forty million, five hundred twenty-nine thousand, four hundred seven".