40350054145 has 4 divisors (see below), whose sum is σ = 48420064980. Its totient is φ = 32280043312.

The previous prime is 40350054137. The next prime is 40350054161. The reversal of 40350054145 is 54145005304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19899052096 + 20451002049 = 141064^2 + 143007^2 .

It is a cyclic number.

It is not a de Polignac number, because 40350054145 - 2³ = 40350054137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4035005410 + ... + 4035005419.

It is an arithmetic number, because the mean of its divisors is an integer number (12105016245).

Almost surely, 2^40350054145 is an apocalyptic number.

It is an amenable number.

40350054145 is a deficient number, since it is larger than the sum of its proper divisors (8070010835).

40350054145 is an equidigital number, since it uses as much as digits as its factorization.

40350054145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070010834.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 40350054145 its reverse (54145005304), we get a palindrome (94495059449).

The spelling of 40350054145 in words is "forty billion, three hundred fifty million, fifty-four thousand, one hundred forty-five".