40659486 has 32 divisors (see below), whose sum is σ = 94329600. Its totient is φ = 11442816.

The previous prime is 40659473. The next prime is 40659491. The reversal of 40659486 is 68495604.

40659486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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, 4411 + ... + 10038.

It is an arithmetic number, because the mean of its divisors is an integer number (2947800).

Almost surely, 2^40659486 is an apocalyptic number.

40659486 is an abundant number, since it is smaller than the sum of its proper divisors (53670114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40659486 is a wasteful number, since it uses less digits than its factorization.

40659486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14528.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 40659486 is about 6376.4791225252. The cubic root of 40659486 is about 343.8644623337.

It can be divided in two parts, 40 and 659486, that added together give a triangular number (659526 = T₁₁₄₈).

The spelling of 40659486 in words is "forty million, six hundred fifty-nine thousand, four hundred eighty-six".