40573215400843 has 2 divisors, whose sum is σ = 40573215400844. Its totient is φ = 40573215400842.

The previous prime is 40573215400793. The next prime is 40573215400847. The reversal of 40573215400843 is 34800451237504.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40573215400843 is a prime.

It is a super-2 number, since 2×40573215400843² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40573215400793 and 40573215400802.

It is not a weakly prime, because it can be changed into another prime (40573215400847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20286607700421 + 20286607700422.

It is an arithmetic number, because the mean of its divisors is an integer number (20286607700422).

Almost surely, 2^{40573215400843} is an apocalyptic number.

40573215400843 is a deficient number, since it is larger than the sum of its proper divisors (1).

40573215400843 is an equidigital number, since it uses as much as digits as its factorization.

40573215400843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 40573215400843 in words is "forty trillion, five hundred seventy-three billion, two hundred fifteen million, four hundred thousand, eight hundred forty-three".