40312054533403 has 2 divisors, whose sum is σ = 40312054533404. Its totient is φ = 40312054533402.

The previous prime is 40312054533371. The next prime is 40312054533437. The reversal of 40312054533403 is 30433545021304.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40312054533403 - 2⁵ = 40312054533371 is a prime.

It is not a weakly prime, because it can be changed into another prime (40312054531403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20156027266701 + 20156027266702.

It is an arithmetic number, because the mean of its divisors is an integer number (20156027266702).

Almost surely, 2^{40312054533403} is an apocalyptic number.

40312054533403 is a deficient number, since it is larger than the sum of its proper divisors (1).

40312054533403 is an equidigital number, since it uses as much as digits as its factorization.

40312054533403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 40312054533403 its reverse (30433545021304), we get a palindrome (70745599554707).

The spelling of 40312054533403 in words is "forty trillion, three hundred twelve billion, fifty-four million, five hundred thirty-three thousand, four hundred three".