401320893280 has 48 divisors (see below), whose sum is σ = 958773684960. Its totient is φ = 158724662272.

The previous prime is 401320893251. The next prime is 401320893283. The reversal of 401320893280 is 82398023104.

It is a super-2 number, since 2×401320893280² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401320893283) 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, 14077084 + ... + 14105563.

It is an arithmetic number, because the mean of its divisors is an integer number (19974451770).

Almost surely, 2^401320893280 is an apocalyptic number.

401320893280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401320893280 is an abundant number, since it is smaller than the sum of its proper divisors (557452791680).

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

401320893280 is a wasteful number, since it uses less digits than its factorization.

401320893280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28182751 (or 28182743 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 401320893280 in words is "four hundred one billion, three hundred twenty million, eight hundred ninety-three thousand, two hundred eighty".