40241429 has 2 divisors, whose sum is σ = 40241430. Its totient is φ = 40241428.

The previous prime is 40241423. The next prime is 40241479. The reversal of 40241429 is 92414204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39564100 + 677329 = 6290^2 + 823^2 .

It is a cyclic number.

It is not a de Polignac number, because 40241429 - 2⁴ = 40241413 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40241398 and 40241407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40241423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20120714 + 20120715.

It is an arithmetic number, because the mean of its divisors is an integer number (20120715).

Almost surely, 2^40241429 is an apocalyptic number.

It is an amenable number.

40241429 is a deficient number, since it is larger than the sum of its proper divisors (1).

40241429 is an equidigital number, since it uses as much as digits as its factorization.

40241429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 40241429 is about 6343.6132448314. The cubic root of 40241429 is about 342.6818726104.

The spelling of 40241429 in words is "forty million, two hundred forty-one thousand, four hundred twenty-nine".