401894080 has 252 divisors, whose sum is σ = 1191481488. Its totient is φ = 128701440.

The previous prime is 401894069. The next prime is 401894081. The reversal of 401894080 is 80498104.

It is not an unprimeable number, because it can be changed into a prime (401894081) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5660445 + ... + 5660515.

Almost surely, 2^401894080 is an apocalyptic number.

401894080 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 401894080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595740744).

401894080 is an abundant number, since it is smaller than the sum of its proper divisors (789587408).

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

401894080 is a wasteful number, since it uses less digits than its factorization.

401894080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 401894080 is about 20047.2960770274. The cubic root of 401894080 is about 737.9674439655.

The spelling of 401894080 in words is "four hundred one million, eight hundred ninety-four thousand, eighty".