40577971 has 8 divisors (see below), whose sum is σ = 46413920. Its totient is φ = 34751808.

The previous prime is 40577969. The next prime is 40578023. The reversal of 40577971 is 17977504.

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

It is not a de Polignac number, because 40577971 - 2¹ = 40577969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40577921) 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, 12775 + ... + 15631.

It is an arithmetic number, because the mean of its divisors is an integer number (5801740).

Almost surely, 2^40577971 is an apocalyptic number.

40577971 is a deficient number, since it is larger than the sum of its proper divisors (5835949).

40577971 is a wasteful number, since it uses less digits than its factorization.

40577971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893.

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 40577971 is about 6370.0840653794. The cubic root of 40577971 is about 343.6345130067.

The spelling of 40577971 in words is "forty million, five hundred seventy-seven thousand, nine hundred seventy-one".