421942950 has 288 divisors, whose sum is σ = 1364912640. Its totient is φ = 92102400.

The previous prime is 421942933. The next prime is 421942973. The reversal of 421942950 is 59249124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5083609 + ... + 5083691.

It is an arithmetic number, because the mean of its divisors is an integer number (4739280).

Almost surely, 2^421942950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421942950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682456320).

421942950 is an abundant number, since it is smaller than the sum of its proper divisors (942969690).

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

421942950 is a wasteful number, since it uses less digits than its factorization.

421942950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 421942950 is about 20541.2499619668. The cubic root of 421942950 is about 750.0402645050.

The spelling of 421942950 in words is "four hundred twenty-one million, nine hundred forty-two thousand, nine hundred fifty".