40649340522590 has 32 divisors (see below), whose sum is σ = 74109232368000. Its totient is φ = 16050833180928.

The previous prime is 40649340522559. The next prime is 40649340522611. The reversal of 40649340522590 is 9522504394604.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823925 + ... + 9054144.

It is an arithmetic number, because the mean of its divisors is an integer number (2315913511500).

Almost surely, 2^{40649340522590} is an apocalyptic number.

40649340522590 is a deficient number, since it is larger than the sum of its proper divisors (33459891845410).

40649340522590 is a wasteful number, since it uses less digits than its factorization.

40649340522590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9883364.

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 40649340522590 in words is "forty trillion, six hundred forty-nine billion, three hundred forty million, five hundred twenty-two thousand, five hundred ninety".