7280040400741 has 2 divisors, whose sum is σ = 7280040400742. Its totient is φ = 7280040400740.

The previous prime is 7280040400687. The next prime is 7280040400757. The reversal of 7280040400741 is 1470040400827.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5491856327841 + 1788184072900 = 2343471^2 + 1337230^2 .

It is an emirp because it is prime and its reverse (1470040400827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7280040400741 - 2²⁵ = 7280006846309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7280040400741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7280040400141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3640020200370 + 3640020200371.

It is an arithmetic number, because the mean of its divisors is an integer number (3640020200371).

Almost surely, 2^{7280040400741} is an apocalyptic number.

It is an amenable number.

7280040400741 is a deficient number, since it is larger than the sum of its proper divisors (1).

7280040400741 is an equidigital number, since it uses as much as digits as its factorization.

7280040400741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50176, while the sum is 37.

The spelling of 7280040400741 in words is "seven trillion, two hundred eighty billion, forty million, four hundred thousand, seven hundred forty-one".