40758942 has 32 divisors (see below), whose sum is σ = 93533184. Its totient is φ = 11599200.

The previous prime is 40758929. The next prime is 40758943. The reversal of 40758942 is 24985704.

It is a super-2 number, since 2×40758942² = 3322582705918728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 40758942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40758943) 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 15 ways as a sum of consecutive naturals, for example, 9592 + ... + 13172.

It is an arithmetic number, because the mean of its divisors is an integer number (2922912).

Almost surely, 2^40758942 is an apocalyptic number.

40758942 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40758942 is an abundant number, since it is smaller than the sum of its proper divisors (52774242).

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

40758942 is a wasteful number, since it uses less digits than its factorization.

40758942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 40758942 is about 6384.2730204777. The cubic root of 40758942 is about 344.1446063661.

The spelling of 40758942 in words is "forty million, seven hundred fifty-eight thousand, nine hundred forty-two".