40444977 has 8 divisors (see below), whose sum is σ = 56764960. Its totient is φ = 25544160.

The previous prime is 40444973. The next prime is 40444979. The reversal of 40444977 is 77944404.

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

It is not a de Polignac number, because 40444977 - 2² = 40444973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40444973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354724 + ... + 354837.

It is an arithmetic number, because the mean of its divisors is an integer number (7095620).

Almost surely, 2^40444977 is an apocalyptic number.

It is an amenable number.

40444977 is a deficient number, since it is larger than the sum of its proper divisors (16319983).

40444977 is a wasteful number, since it uses less digits than its factorization.

40444977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709583.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 40444977 is about 6359.6365462187. The cubic root of 40444977 is about 343.2586822543.

The spelling of 40444977 in words is "forty million, four hundred forty-four thousand, nine hundred seventy-seven".