40245316245 has 24 divisors (see below), whose sum is σ = 69916051296. Its totient is φ = 21415706208.

The previous prime is 40245316219. The next prime is 40245316247. The reversal of 40245316245 is 54261354204.

40245316245 is a `hidden beast` number, since 4 + 0 + 2 + 453 + 162 + 45 = 666.

It is not a de Polignac number, because 40245316245 - 2⁷ = 40245316117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40245316247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 989479 + ... + 1029348.

It is an arithmetic number, because the mean of its divisors is an integer number (2913168804).

Almost surely, 2^40245316245 is an apocalyptic number.

40245316245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40245316245 is a deficient number, since it is larger than the sum of its proper divisors (29670735051).

40245316245 is a wasteful number, since it uses less digits than its factorization.

40245316245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019281 (or 2019278 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 40245316245 in words is "forty billion, two hundred forty-five million, three hundred sixteen thousand, two hundred forty-five".