40258971 has 16 divisors (see below), whose sum is σ = 59777920. Its totient is φ = 26778600.

The previous prime is 40258951. The next prime is 40258979. The reversal of 40258971 is 17985204.

40258971 is a `hidden beast` number, since 4 + 0 + 2 + 589 + 71 = 666.

It is not a de Polignac number, because 40258971 - 2¹⁰ = 40257947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40258979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12696 + ... + 15546.

It is an arithmetic number, because the mean of its divisors is an integer number (3736120).

Almost surely, 2^40258971 is an apocalyptic number.

40258971 is a deficient number, since it is larger than the sum of its proper divisors (19518949).

40258971 is a wasteful number, since it uses less digits than its factorization.

40258971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383 (or 3377 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 40258971 is about 6344.9957446794. The cubic root of 40258971 is about 342.7316592133.

It can be divided in two parts, 4025 and 8971, that added together give a square (12996 = 114²).

The spelling of 40258971 in words is "forty million, two hundred fifty-eight thousand, nine hundred seventy-one".