40651058 has 16 divisors (see below), whose sum is σ = 69859584. Its totient is φ = 17378880.

The previous prime is 40651057. The next prime is 40651073. The reversal of 40651058 is 85015604.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40651058.

It is not an unprimeable number, because it can be changed into a prime (40651057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2666 + ... + 9402.

It is an arithmetic number, because the mean of its divisors is an integer number (4366224).

Almost surely, 2^40651058 is an apocalyptic number.

40651058 is a deficient number, since it is larger than the sum of its proper divisors (29208526).

40651058 is a wasteful number, since it uses less digits than its factorization.

40651058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 40651058 is about 6375.8182220010. The cubic root of 40651058 is about 343.8407016632.

The spelling of 40651058 in words is "forty million, six hundred fifty-one thousand, fifty-eight".