421668712740000 has 960 divisors, whose sum is σ = 1560708151123968. Its totient is φ = 98726131200000.

The previous prime is 421668712739993. The next prime is 421668712740029. The reversal of 421668712740000 is 47217866124.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 10291359514 + ... + 10291400486.

Almost surely, 2^{421668712740000} is an apocalyptic number.

421668712740000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421668712740000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (780354075561984).

421668712740000 is an abundant number, since it is smaller than the sum of its proper divisors (1139039438383968).

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

421668712740000 is a wasteful number, since it uses less digits than its factorization.

421668712740000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41551 (or 41528 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 421668712740000 in words is "four hundred twenty-one trillion, six hundred sixty-eight billion, seven hundred twelve million, seven hundred forty thousand".