40245165442003 has 12 divisors (see below), whose sum is σ = 42758757404560. Its totient is φ = 37871625036672.

The previous prime is 40245165441953. The next prime is 40245165442117. The reversal of 40245165442003 is 30024456154204.

It is a de Polignac number, because none of the positive numbers 2^k-40245165442003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40245165443003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9580623 + ... + 13125496.

Almost surely, 2^{40245165442003} is an apocalyptic number.

40245165442003 is a deficient number, since it is larger than the sum of its proper divisors (2513591962557).

40245165442003 is a wasteful number, since it uses less digits than its factorization.

40245165442003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22712286 (or 22712269 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 40245165442003 in words is "forty trillion, two hundred forty-five billion, one hundred sixty-five million, four hundred forty-two thousand, three".