40657848811 has 16 divisors (see below), whose sum is σ = 43349935104. Its totient is φ = 38043622144.

The previous prime is 40657848793. The next prime is 40657848821. The reversal of 40657848811 is 11884875604.

It is not a de Polignac number, because 40657848811 - 2⁷ = 40657848683 is a prime.

It is a super-2 number, since 2×40657848811² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40657848821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2448840 + ... + 2465386.

It is an arithmetic number, because the mean of its divisors is an integer number (2709370944).

Almost surely, 2^40657848811 is an apocalyptic number.

40657848811 is a deficient number, since it is larger than the sum of its proper divisors (2692086293).

40657848811 is a wasteful number, since it uses less digits than its factorization.

40657848811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18890.

The product of its (nonzero) digits is 1720320, while the sum is 52.

The spelling of 40657848811 in words is "forty billion, six hundred fifty-seven million, eight hundred forty-eight thousand, eight hundred eleven".