40993942 has 8 divisors (see below), whose sum is σ = 67081032. Its totient is φ = 18633600.

The previous prime is 40993937. The next prime is 40993951. The reversal of 40993942 is 24939904.

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

It is a junction number, because it is equal to n+sod(n) for n = 40993895 and 40993904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 931659 + ... + 931702.

It is an arithmetic number, because the mean of its divisors is an integer number (8385129).

Almost surely, 2^40993942 is an apocalyptic number.

40993942 is a deficient number, since it is larger than the sum of its proper divisors (26087090).

40993942 is a wasteful number, since it uses less digits than its factorization.

40993942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863374.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 40993942 is about 6402.6511696328. The cubic root of 40993942 is about 344.8047400310.

The spelling of 40993942 in words is "forty million, nine hundred ninety-three thousand, nine hundred forty-two".