40621942 has 8 divisors (see below), whose sum is σ = 64517256. Its totient is φ = 19116192.

The previous prime is 40621901. The next prime is 40621949. The reversal of 40621942 is 24912604.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40621942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40621949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597348 + ... + 597415.

It is an arithmetic number, because the mean of its divisors is an integer number (8064657).

Almost surely, 2^40621942 is an apocalyptic number.

40621942 is a deficient number, since it is larger than the sum of its proper divisors (23895314).

40621942 is a wasteful number, since it uses less digits than its factorization.

40621942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194782.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 40621942 is about 6373.5344982200. The cubic root of 40621942 is about 343.7585909919.

The spelling of 40621942 in words is "forty million, six hundred twenty-one thousand, nine hundred forty-two".