400013580007 has 2 divisors, whose sum is σ = 400013580008. Its totient is φ = 400013580006.

The previous prime is 400013579983. The next prime is 400013580091. The reversal of 400013580007 is 700085310004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400013580007 - 2⁷ = 400013579879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400013580097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200006790003 + 200006790004.

It is an arithmetic number, because the mean of its divisors is an integer number (200006790004).

Almost surely, 2^400013580007 is an apocalyptic number.

400013580007 is a deficient number, since it is larger than the sum of its proper divisors (1).

400013580007 is an equidigital number, since it uses as much as digits as its factorization.

400013580007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 400013580007 in words is "four hundred billion, thirteen million, five hundred eighty thousand, seven".