40072649011 has 2 divisors, whose sum is σ = 40072649012. Its totient is φ = 40072649010.

The previous prime is 40072649009. The next prime is 40072649027. The reversal of 40072649011 is 11094627004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40072649011 - 2¹ = 40072649009 is a prime.

Together with 40072649009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40072649051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20036324505 + 20036324506.

It is an arithmetic number, because the mean of its divisors is an integer number (20036324506).

Almost surely, 2^40072649011 is an apocalyptic number.

40072649011 is a deficient number, since it is larger than the sum of its proper divisors (1).

40072649011 is an equidigital number, since it uses as much as digits as its factorization.

40072649011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 40072649011 in words is "forty billion, seventy-two million, six hundred forty-nine thousand, eleven".