840200470461 has 48 divisors (see below), whose sum is σ = 1374672295360. Its totient is φ = 506798661600.

The previous prime is 840200470399. The next prime is 840200470477. The reversal of 840200470461 is 164074002048.

It is not a de Polignac number, because 840200470461 - 2⁶ = 840200470397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840200470661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79911 + ... + 1298763.

Almost surely, 2^840200470461 is an apocalyptic number.

It is an amenable number.

840200470461 is a deficient number, since it is larger than the sum of its proper divisors (534471824899).

840200470461 is a wasteful number, since it uses less digits than its factorization.

840200470461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219095 (or 1219078 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 840200470461 in words is "eight hundred forty billion, two hundred million, four hundred seventy thousand, four hundred sixty-one".