40705529 has 4 divisors (see below), whose sum is σ = 40823184. Its totient is φ = 40587876.

The previous prime is 40705517. The next prime is 40705541. The reversal of 40705529 is 92550704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (40705517) and next prime (40705541).

It is a cyclic number.

It is not a de Polignac number, because 40705529 - 2¹² = 40701433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40705495 and 40705504.

It is not an unprimeable number, because it can be changed into a prime (40705549) 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, 58307 + ... + 59000.

It is an arithmetic number, because the mean of its divisors is an integer number (10205796).

Almost surely, 2^40705529 is an apocalyptic number.

It is an amenable number.

40705529 is a deficient number, since it is larger than the sum of its proper divisors (117655).

40705529 is a wasteful number, since it uses less digits than its factorization.

40705529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117654.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 40705529 is about 6380.0884790103. The cubic root of 40705529 is about 343.9942113006.

The spelling of 40705529 in words is "forty million, seven hundred five thousand, five hundred twenty-nine".