421046640124 has 24 divisors (see below), whose sum is σ = 804536027568. Its totient is φ = 191213475840.

The previous prime is 421046640121. The next prime is 421046640143.

421046640124 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 421046640124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421046640121) 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, 4234309 + ... + 4332604.

It is an arithmetic number, because the mean of its divisors is an integer number (33522334482).

Almost surely, 2^421046640124 is an apocalyptic number.

421046640124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421046640124 is a deficient number, since it is larger than the sum of its proper divisors (383489387444).

421046640124 is a wasteful number, since it uses less digits than its factorization.

421046640124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8568045 (or 8568043 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 421046640124 in words is "four hundred twenty-one billion, forty-six million, six hundred forty thousand, one hundred twenty-four".