40110978 has 8 divisors (see below), whose sum is σ = 80221968. Its totient is φ = 13370324.

The previous prime is 40110971. The next prime is 40110979. The reversal of 40110978 is 87901104.

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

40110978 is an admirable number.

It is a super-2 number, since 2×40110978² = 3217781112232968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40110971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3342576 + ... + 3342587.

It is an arithmetic number, because the mean of its divisors is an integer number (10027746).

Almost surely, 2^40110978 is an apocalyptic number.

40110978 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.

40110978 is a wasteful number, since it uses less digits than its factorization.

40110978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6685168.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 40110978 is about 6333.3228245527. The cubic root of 40110978 is about 342.3111801327.

The spelling of 40110978 in words is "forty million, one hundred ten thousand, nine hundred seventy-eight".