40521699746 has 16 divisors (see below), whose sum is σ = 66319760448. Its totient is φ = 18415753200.

The previous prime is 40521699737. The next prime is 40521699787. The reversal of 40521699746 is 64799612504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28190 + ... + 286073.

It is an arithmetic number, because the mean of its divisors is an integer number (4144985028).

Almost surely, 2^40521699746 is an apocalyptic number.

40521699746 is a deficient number, since it is larger than the sum of its proper divisors (25798060702).

40521699746 is a wasteful number, since it uses less digits than its factorization.

40521699746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320137.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 40521699746 in words is "forty billion, five hundred twenty-one million, six hundred ninety-nine thousand, seven hundred forty-six".