40206540633045 has 16 divisors (see below), whose sum is σ = 64336575101760. Its totient is φ = 21441451641344.

The previous prime is 40206540632983. The next prime is 40206540633071. The reversal of 40206540633045 is 54033604560204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40206540633045 - 2²⁵ = 40206507078613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40206540632988 and 40206540633006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127130319 + ... + 127446188.

It is an arithmetic number, because the mean of its divisors is an integer number (4021035943860).

Almost surely, 2^{40206540633045} is an apocalyptic number.

It is an amenable number.

40206540633045 is a deficient number, since it is larger than the sum of its proper divisors (24130034468715).

40206540633045 is a wasteful number, since it uses less digits than its factorization.

40206540633045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254587044.

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 40206540633045 in words is "forty trillion, two hundred six billion, five hundred forty million, six hundred thirty-three thousand, forty-five".