40722012403 has 2 divisors, whose sum is σ = 40722012404. Its totient is φ = 40722012402.

The previous prime is 40722012379. The next prime is 40722012407. The reversal of 40722012403 is 30421022704.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40722012403 is a prime.

It is not a weakly prime, because it can be changed into another prime (40722012407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20361006201 + 20361006202.

It is an arithmetic number, because the mean of its divisors is an integer number (20361006202).

Almost surely, 2^40722012403 is an apocalyptic number.

40722012403 is a deficient number, since it is larger than the sum of its proper divisors (1).

40722012403 is an equidigital number, since it uses as much as digits as its factorization.

40722012403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The spelling of 40722012403 in words is "forty billion, seven hundred twenty-two million, twelve thousand, four hundred three".