40364955437121 has 16 divisors (see below), whose sum is σ = 68342781692800. Its totient is φ = 23065688821104.

The previous prime is 40364955437119. The next prime is 40364955437207. The reversal of 40364955437121 is 12173455946304.

40364955437121 is a `hidden beast` number, since 4 + 0 + 3 + 6 + 4 + 9 + 5 + 543 + 71 + 21 = 666.

It is not a de Polignac number, because 40364955437121 - 2¹ = 40364955437119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40364955437101) 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, 106785596206 + ... + 106785596583.

It is an arithmetic number, because the mean of its divisors is an integer number (4271423855800).

Almost surely, 2^{40364955437121} is an apocalyptic number.

It is an amenable number.

40364955437121 is a deficient number, since it is larger than the sum of its proper divisors (27977826255679).

40364955437121 is a wasteful number, since it uses less digits than its factorization.

40364955437121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213571192805 (or 213571192799 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 40364955437121 in words is "forty trillion, three hundred sixty-four billion, nine hundred fifty-five million, four hundred thirty-seven thousand, one hundred twenty-one".