40641754772 has 6 divisors (see below), whose sum is σ = 71123070858. Its totient is φ = 20320877384.

The previous prime is 40641754763. The next prime is 40641754787. The reversal of 40641754772 is 27745714604.

It can be written as a sum of positive squares in only one way, i.e., 33586426756 + 7055328016 = 183266^2 + 83996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080219343 + ... + 5080219350.

It is an arithmetic number, because the mean of its divisors is an integer number (11853845143).

Almost surely, 2^40641754772 is an apocalyptic number.

It is an amenable number.

40641754772 is a deficient number, since it is larger than the sum of its proper divisors (30481316086).

40641754772 is a wasteful number, since it uses less digits than its factorization.

40641754772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10160438697 (or 10160438695 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 47.

The spelling of 40641754772 in words is "forty billion, six hundred forty-one million, seven hundred fifty-four thousand, seven hundred seventy-two".