7040781041 has 6 divisors (see below), whose sum is σ = 8190296370. Its totient is φ = 6034955136.

The previous prime is 7040781029. The next prime is 7040781043. The reversal of 7040781041 is 1401870407.

It can be written as a sum of positive squares in only one way, i.e., 5145049441 + 1895731600 = 71729^2 + 43540^2 .

It is not a de Polignac number, because 7040781041 - 2¹⁴ = 7040764657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7040780989 and 7040781007.

It is not an unprimeable number, because it can be changed into a prime (7040781043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71844656 + ... + 71844753.

It is an arithmetic number, because the mean of its divisors is an integer number (1365049395).

Almost surely, 2^7040781041 is an apocalyptic number.

It is an amenable number.

7040781041 is a deficient number, since it is larger than the sum of its proper divisors (1149515329).

7040781041 is a wasteful number, since it uses less digits than its factorization.

7040781041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143689423 (or 143689416 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 7040781041 is about 83909.3620581160. The cubic root of 7040781041 is about 1916.6388170102.

The spelling of 7040781041 in words is "seven billion, forty million, seven hundred eighty-one thousand, forty-one".