421760372000 has 192 divisors, whose sum is σ = 1133218719360. Its totient is φ = 152994688000.

The previous prime is 421760371993. The next prime is 421760372003. The reversal of 421760372000 is 273067124.

It is a super-2 number, since 2×421760372000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (421760372003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18424562 + ... + 18447438.

It is an arithmetic number, because the mean of its divisors is an integer number (5902180830).

Almost surely, 2^421760372000 is an apocalyptic number.

421760372000 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 421760372000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566609359680).

421760372000 is an abundant number, since it is smaller than the sum of its proper divisors (711458347360).

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

421760372000 is a wasteful number, since it uses less digits than its factorization.

421760372000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23332 (or 23314 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The spelling of 421760372000 in words is "four hundred twenty-one billion, seven hundred sixty million, three hundred seventy-two thousand".