38400225007 has 2 divisors, whose sum is σ = 38400225008. Its totient is φ = 38400225006.

The previous prime is 38400225001. The next prime is 38400225167. The reversal of 38400225007 is 70052200483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38400225007 - 2³ = 38400224999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38400225007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38400225001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19200112503 + 19200112504.

It is an arithmetic number, because the mean of its divisors is an integer number (19200112504).

Almost surely, 2^38400225007 is an apocalyptic number.

38400225007 is a deficient number, since it is larger than the sum of its proper divisors (1).

38400225007 is an equidigital number, since it uses as much as digits as its factorization.

38400225007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 38400225007 in words is "thirty-eight billion, four hundred million, two hundred twenty-five thousand, seven".