40920529 has 8 divisors (see below), whose sum is σ = 44154432. Its totient is φ = 37698960.

The previous prime is 40920497. The next prime is 40920533. The reversal of 40920529 is 92502904.

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

It is not a de Polignac number, because 40920529 - 2⁵ = 40920497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40920529.

It is not an unprimeable number, because it can be changed into a prime (40924529) 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, 4524 + ... + 10114.

It is an arithmetic number, because the mean of its divisors is an integer number (5519304).

Almost surely, 2^40920529 is an apocalyptic number.

It is an amenable number.

40920529 is a deficient number, since it is larger than the sum of its proper divisors (3233903).

40920529 is a wasteful number, since it uses less digits than its factorization.

40920529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 40920529 is about 6396.9155848737. The cubic root of 40920529 is about 344.5987886581.

The spelling of 40920529 in words is "forty million, nine hundred twenty thousand, five hundred twenty-nine".