401215296 has 56 divisors (see below), whose sum is σ = 1077427360. Its totient is φ = 131738112.

The previous prime is 401215291. The next prime is 401215303. The reversal of 401215296 is 692512104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401215291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731 + ... + 28458.

Almost surely, 2^401215296 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 401215296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538713680).

401215296 is an abundant number, since it is smaller than the sum of its proper divisors (676212064).

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

401215296 is a wasteful number, since it uses less digits than its factorization.

401215296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31271 (or 31261 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 401215296 is about 20030.3593577349. The cubic root of 401215296 is about 737.5517434154.

The spelling of 401215296 in words is "four hundred one million, two hundred fifteen thousand, two hundred ninety-six".