418890834461 has 16 divisors (see below), whose sum is σ = 468168337728. Its totient is φ = 371481436800.

The previous prime is 418890834451. The next prime is 418890834487. The reversal of 418890834461 is 164438098814.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-418890834461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 418890834397 and 418890834406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418890834451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4574255 + ... + 4664931.

It is an arithmetic number, because the mean of its divisors is an integer number (29260521108).

Almost surely, 2^418890834461 is an apocalyptic number.

418890834461 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

418890834461 is a deficient number, since it is larger than the sum of its proper divisors (49277503267).

418890834461 is a wasteful number, since it uses less digits than its factorization.

418890834461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100972.

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 418890834461 in words is "four hundred eighteen billion, eight hundred ninety million, eight hundred thirty-four thousand, four hundred sixty-one".