40315429 has 8 divisors (see below), whose sum is σ = 50263488. Its totient is φ = 31414560.

The previous prime is 40315417. The next prime is 40315453. The reversal of 40315429 is 92451304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40315429 - 2¹⁵ = 40282661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40315397 and 40315406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40315489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261712 + ... + 261865.

It is an arithmetic number, because the mean of its divisors is an integer number (6282936).

Almost surely, 2^40315429 is an apocalyptic number.

It is an amenable number.

40315429 is a deficient number, since it is larger than the sum of its proper divisors (9948059).

40315429 is a wasteful number, since it uses less digits than its factorization.

40315429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523595.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40315429 is about 6349.4432039353. The cubic root of 40315429 is about 342.8917966544.

The spelling of 40315429 in words is "forty million, three hundred fifteen thousand, four hundred twenty-nine".