40245764161003 has 4 divisors (see below), whose sum is σ = 42363962274760. Its totient is φ = 38127566047248.

The previous prime is 40245764160989. The next prime is 40245764161013. The reversal of 40245764161003 is 30016146754204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40245764161003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40245764161013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059099056850 + ... + 1059099056887.

It is an arithmetic number, because the mean of its divisors is an integer number (10590990568690).

Almost surely, 2^{40245764161003} is an apocalyptic number.

40245764161003 is a deficient number, since it is larger than the sum of its proper divisors (2118198113757).

40245764161003 is a wasteful number, since it uses less digits than its factorization.

40245764161003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118198113756.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 40245764161003 in words is "forty trillion, two hundred forty-five billion, seven hundred sixty-four million, one hundred sixty-one thousand, three".