40512502403 has 2 divisors, whose sum is σ = 40512502404. Its totient is φ = 40512502402.

The previous prime is 40512502369. The next prime is 40512502423. The reversal of 40512502403 is 30420521504.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40512502403 - 2¹⁸ = 40512240259 is a prime.

It is not a weakly prime, because it can be changed into another prime (40512502423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20256251201 + 20256251202.

It is an arithmetic number, because the mean of its divisors is an integer number (20256251202).

Almost surely, 2^40512502403 is an apocalyptic number.

40512502403 is a deficient number, since it is larger than the sum of its proper divisors (1).

40512502403 is an equidigital number, since it uses as much as digits as its factorization.

40512502403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 40512502403 in words is "forty billion, five hundred twelve million, five hundred two thousand, four hundred three".