40150729 has 2 divisors, whose sum is σ = 40150730. Its totient is φ = 40150728.

The previous prime is 40150717. The next prime is 40150741. The reversal of 40150729 is 92705104.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (40150717) and next prime (40150741).

It can be written as a sum of positive squares in only one way, i.e., 35940025 + 4210704 = 5995^2 + 2052^2 .

It is a cyclic number.

It is not a de Polignac number, because 40150729 - 2⁵ = 40150697 is a prime.

It is a super-2 number, since 2×40150729² = 3224162078462882, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40150697 and 40150706.

It is not a weakly prime, because it can be changed into another prime (40150829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20075364 + 20075365.

It is an arithmetic number, because the mean of its divisors is an integer number (20075365).

Almost surely, 2^40150729 is an apocalyptic number.

It is an amenable number.

40150729 is a deficient number, since it is larger than the sum of its proper divisors (1).

40150729 is an equidigital number, since it uses as much as digits as its factorization.

40150729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 40150729 is about 6336.4602894676. The cubic root of 40150729 is about 342.4242224954.

The spelling of 40150729 in words is "forty million, one hundred fifty thousand, seven hundred twenty-nine".