420690041418 has 16 divisors (see below), whose sum is σ = 877961825856. Its totient is φ = 134133056640.

The previous prime is 420690041411. The next prime is 420690041449. The reversal of 420690041418 is 814140096024.

It is a super-2 number, since 2×420690041418² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420690041411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524239143 + ... + 1524239418.

It is an arithmetic number, because the mean of its divisors is an integer number (54872614116).

Almost surely, 2^420690041418 is an apocalyptic number.

420690041418 is an abundant number, since it is smaller than the sum of its proper divisors (457271784438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420690041418 is a wasteful number, since it uses less digits than its factorization.

420690041418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048478589.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 420690041418 in words is "four hundred twenty billion, six hundred ninety million, forty-one thousand, four hundred eighteen".