400420300 has 144 divisors (see below), whose sum is σ = 1039433472. Its totient is φ = 131040000.

The previous prime is 400420291. The next prime is 400420331. The reversal of 400420300 is 3024004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1595175 + ... + 1595425.

It is an arithmetic number, because the mean of its divisors is an integer number (7218288).

Almost surely, 2^400420300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400420300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519716736).

400420300 is an abundant number, since it is smaller than the sum of its proper divisors (639013172).

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

400420300 is a wasteful number, since it uses less digits than its factorization.

400420300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 400420300 is about 20010.5047412603. The cubic root of 400420300 is about 737.0642757995.

Adding to 400420300 its reverse (3024004), we get a palindrome (403444304).

The spelling of 400420300 in words is "four hundred million, four hundred twenty thousand, three hundred".