40924821 has 8 divisors (see below), whose sum is σ = 62361664. Its totient is φ = 23385600.

The previous prime is 40924817. The next prime is 40924859. The reversal of 40924821 is 12842904.

40924821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40924821 - 2² = 40924817 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40924421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974380 + ... + 974421.

It is an arithmetic number, because the mean of its divisors is an integer number (7795208).

Almost surely, 2^40924821 is an apocalyptic number.

It is an amenable number.

40924821 is a deficient number, since it is larger than the sum of its proper divisors (21436843).

40924821 is a wasteful number, since it uses less digits than its factorization.

40924821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948811.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 40924821 is about 6397.2510502559. The cubic root of 40924821 is about 344.6108361261.

The spelling of 40924821 in words is "forty million, nine hundred twenty-four thousand, eight hundred twenty-one".