340785900425 has 48 divisors (see below), whose sum is σ = 432844439040. Its totient is φ = 266091920640.

The previous prime is 340785900407. The next prime is 340785900443. The reversal of 340785900425 is 524009587043.

It is an interprime number because it is at equal distance from previous prime (340785900407) and next prime (340785900443).

It is a de Polignac number, because none of the positive numbers 2^k-340785900425 is a prime.

It is a super-2 number, since 2×340785900425² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 340785900425.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 153991619 + ... + 153993831.

It is an arithmetic number, because the mean of its divisors is an integer number (9017592480).

Almost surely, 2^340785900425 is an apocalyptic number.

It is an amenable number.

340785900425 is a deficient number, since it is larger than the sum of its proper divisors (92058538615).

340785900425 is a wasteful number, since it uses less digits than its factorization.

340785900425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162 (or 3157 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 340785900425 in words is "three hundred forty billion, seven hundred eighty-five million, nine hundred thousand, four hundred twenty-five".