40011604521764 has 6 divisors (see below), whose sum is σ = 70020307913094. Its totient is φ = 20005802260880.

The previous prime is 40011604521673. The next prime is 40011604521793. The reversal of 40011604521764 is 46712540611004.

It can be written as a sum of positive squares in only one way, i.e., 28785285196864 + 11226319324900 = 5365192^2 + 3350570^2 .

It is a super-2 number, since 2×40011604521764² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001450565217 + ... + 5001450565224.

It is an arithmetic number, because the mean of its divisors is an integer number (11670051318849).

Almost surely, 2^{40011604521764} is an apocalyptic number.

It is an amenable number.

40011604521764 is a deficient number, since it is larger than the sum of its proper divisors (30008703391330).

40011604521764 is a wasteful number, since it uses less digits than its factorization.

40011604521764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10002901130445 (or 10002901130443 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 40011604521764 in words is "forty trillion, eleven billion, six hundred four million, five hundred twenty-one thousand, seven hundred sixty-four".