40003256707 has 2 divisors, whose sum is σ = 40003256708. Its totient is φ = 40003256706.

The previous prime is 40003256693. The next prime is 40003256719. The reversal of 40003256707 is 70765230004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40003256707 - 2²³ = 39994868099 is a prime.

It is a super-2 number, since 2×40003256707² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40003256407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001628353 + 20001628354.

It is an arithmetic number, because the mean of its divisors is an integer number (20001628354).

Almost surely, 2^40003256707 is an apocalyptic number.

40003256707 is a deficient number, since it is larger than the sum of its proper divisors (1).

40003256707 is an equidigital number, since it uses as much as digits as its factorization.

40003256707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 34.

The spelling of 40003256707 in words is "forty billion, three million, two hundred fifty-six thousand, seven hundred seven".