40040258623 has 2 divisors, whose sum is σ = 40040258624. Its totient is φ = 40040258622.

The previous prime is 40040258611. The next prime is 40040258651. The reversal of 40040258623 is 32685204004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40040258623 - 2¹³ = 40040250431 is a prime.

It is a super-2 number, since 2×40040258623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40040258123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020129311 + 20020129312.

It is an arithmetic number, because the mean of its divisors is an integer number (20020129312).

Almost surely, 2^40040258623 is an apocalyptic number.

40040258623 is a deficient number, since it is larger than the sum of its proper divisors (1).

40040258623 is an equidigital number, since it uses as much as digits as its factorization.

40040258623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 40040258623 in words is "forty billion, forty million, two hundred fifty-eight thousand, six hundred twenty-three".