40448858 has 32 divisors (see below), whose sum is σ = 66064896. Its totient is φ = 18523648.

The previous prime is 40448857. The next prime is 40448887. The reversal of 40448858 is 85884404.

40448858 is nontrivially palindromic in base 13.

40448858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40448858² = 3272220227008328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40448857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114410 + ... + 114762.

It is an arithmetic number, because the mean of its divisors is an integer number (2064528).

Almost surely, 2^40448858 is an apocalyptic number.

40448858 is a deficient number, since it is larger than the sum of its proper divisors (25616038).

40448858 is a wasteful number, since it uses less digits than its factorization.

40448858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478.

The product of its (nonzero) digits is 163840, while the sum is 41.

The square root of 40448858 is about 6359.9416663992. The cubic root of 40448858 is about 343.2696613213.

The spelling of 40448858 in words is "forty million, four hundred forty-eight thousand, eight hundred fifty-eight".