40751986 has 8 divisors (see below), whose sum is σ = 66685104. Its totient is φ = 18523620.

The previous prime is 40751983. The next prime is 40751993. The reversal of 40751986 is 68915704.

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

It is not an unprimeable number, because it can be changed into a prime (40751983) 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, 926160 + ... + 926203.

It is an arithmetic number, because the mean of its divisors is an integer number (8335638).

Almost surely, 2^40751986 is an apocalyptic number.

40751986 is a deficient number, since it is larger than the sum of its proper divisors (25933118).

40751986 is a wasteful number, since it uses less digits than its factorization.

40751986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852376.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 40751986 is about 6383.7282210320. The cubic root of 40751986 is about 344.1250277906.

The spelling of 40751986 in words is "forty million, seven hundred fifty-one thousand, nine hundred eighty-six".