40025494007 has 2 divisors, whose sum is σ = 40025494008. Its totient is φ = 40025494006.

The previous prime is 40025493983. The next prime is 40025494013. The reversal of 40025494007 is 70049452004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40025494007 - 2²⁶ = 39958385143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40025494027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20012747003 + 20012747004.

It is an arithmetic number, because the mean of its divisors is an integer number (20012747004).

Almost surely, 2^40025494007 is an apocalyptic number.

40025494007 is a deficient number, since it is larger than the sum of its proper divisors (1).

40025494007 is an equidigital number, since it uses as much as digits as its factorization.

40025494007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 40025494007 in words is "forty billion, twenty-five million, four hundred ninety-four thousand, seven".