40107976 has 16 divisors (see below), whose sum is σ = 75534300. Its totient is φ = 19965504.

The previous prime is 40107959. The next prime is 40107979. The reversal of 40107976 is 67970104.

It can be written as a sum of positive squares in 2 ways, for example, as 34222500 + 5885476 = 5850^2 + 2426^2 .

It is not an unprimeable number, because it can be changed into a prime (40107979) 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, 9115 + ... + 12778.

Almost surely, 2^40107976 is an apocalyptic number.

It is an amenable number.

40107976 is a deficient number, since it is larger than the sum of its proper divisors (35426324).

40107976 is a wasteful number, since it uses less digits than its factorization.

40107976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22128 (or 22124 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 40107976 is about 6333.0858197249. The cubic root of 40107976 is about 342.3026401282.

The spelling of 40107976 in words is "forty million, one hundred seven thousand, nine hundred seventy-six".