40715429 has 6 divisors (see below), whose sum is σ = 41846994. Its totient is φ = 39613680.

The previous prime is 40715417. The next prime is 40715471. The reversal of 40715429 is 92451704.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 31382404 + 9333025 = 5602^2 + 3055^2 .

It is not a de Polignac number, because 40715429 - 2⁴ = 40715413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40715395 and 40715404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40715729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13502 + ... + 16239.

It is an arithmetic number, because the mean of its divisors is an integer number (6974499).

Almost surely, 2^40715429 is an apocalyptic number.

It is an amenable number.

40715429 is a deficient number, since it is larger than the sum of its proper divisors (1131565).

40715429 is an equidigital number, since it uses as much as digits as its factorization.

40715429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29815 (or 29778 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 40715429 is about 6380.8642831516. The cubic root of 40715429 is about 344.0220966742.

The spelling of 40715429 in words is "forty million, seven hundred fifteen thousand, four hundred twenty-nine".