40221546 has 8 divisors (see below), whose sum is σ = 80443104. Its totient is φ = 13407180.

The previous prime is 40221529. The next prime is 40221557. The reversal of 40221546 is 64512204.

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

40221546 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3351790 + ... + 3351801.

It is an arithmetic number, because the mean of its divisors is an integer number (10055388).

Almost surely, 2^40221546 is an apocalyptic number.

40221546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40221546 is a wasteful number, since it uses less digits than its factorization.

40221546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6703596.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40221546 is about 6342.0458844130. The cubic root of 40221546 is about 342.6254244314.

The spelling of 40221546 in words is "forty million, two hundred twenty-one thousand, five hundred forty-six".