40407672523 has 2 divisors, whose sum is σ = 40407672524. Its totient is φ = 40407672522.

The previous prime is 40407672491. The next prime is 40407672541. The reversal of 40407672523 is 32527670404.

It is a happy number.

40407672523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40407672523 - 2⁵ = 40407672491 is a prime.

It is not a weakly prime, because it can be changed into another prime (40407672563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20203836261 + 20203836262.

It is an arithmetic number, because the mean of its divisors is an integer number (20203836262).

Almost surely, 2^40407672523 is an apocalyptic number.

40407672523 is a deficient number, since it is larger than the sum of its proper divisors (1).

40407672523 is an equidigital number, since it uses as much as digits as its factorization.

40407672523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 40407672523 in words is "forty billion, four hundred seven million, six hundred seventy-two thousand, five hundred twenty-three".