40201641326 has 64 divisors (see below), whose sum is σ = 77900590080. Its totient is φ = 15098415360.

The previous prime is 40201641307. The next prime is 40201641379. The reversal of 40201641326 is 62314610204.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 2882546 + ... + 2896458.

It is an arithmetic number, because the mean of its divisors is an integer number (1217196720).

Almost surely, 2^40201641326 is an apocalyptic number.

40201641326 is a deficient number, since it is larger than the sum of its proper divisors (37698948754).

40201641326 is a wasteful number, since it uses less digits than its factorization.

40201641326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14609.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 40201641326 in words is "forty billion, two hundred one million, six hundred forty-one thousand, three hundred twenty-six".