401746547280 has 1280 divisors, whose sum is σ = 1562779975680. Its totient is φ = 84276412416.

The previous prime is 401746547203. The next prime is 401746547317. The reversal of 401746547280 is 82745647104.

It is a super-2 number, since 2×401746547280² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3163358577 + ... + 3163358703.

It is an arithmetic number, because the mean of its divisors is an integer number (1220921856).

Almost surely, 2^401746547280 is an apocalyptic number.

401746547280 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 401746547280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781389987840).

401746547280 is an abundant number, since it is smaller than the sum of its proper divisors (1161033428400).

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

401746547280 is a wasteful number, since it uses less digits than its factorization.

401746547280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 401746547280 in words is "four hundred one billion, seven hundred forty-six million, five hundred forty-seven thousand, two hundred eighty".