418461721054 has 16 divisors (see below), whose sum is σ = 687058212960. Its totient is φ = 189970011360.

The previous prime is 418461721021. The next prime is 418461721061. The reversal of 418461721054 is 450127164814.

It is a super-2 number, since 2×418461721054² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 418461721054.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 131922034 + ... + 131925205.

It is an arithmetic number, because the mean of its divisors is an integer number (42941138310).

Almost surely, 2^418461721054 is an apocalyptic number.

418461721054 is a deficient number, since it is larger than the sum of its proper divisors (268596491906).

418461721054 is a wasteful number, since it uses less digits than its factorization.

418461721054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263847315.

The product of its (nonzero) digits is 215040, while the sum is 43.

Adding to 418461721054 its reverse (450127164814), we get a palindrome (868588885868).

The spelling of 418461721054 in words is "four hundred eighteen billion, four hundred sixty-one million, seven hundred twenty-one thousand, fifty-four".