401805617352 has 16 divisors (see below), whose sum is σ = 1004514043440. Its totient is φ = 133935205776.

The previous prime is 401805617351. The next prime is 401805617363. The reversal of 401805617352 is 253716508104.

It is a happy number.

401805617352 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×401805617352² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401805617351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8370950338 + ... + 8370950385.

It is an arithmetic number, because the mean of its divisors is an integer number (62782127715).

Almost surely, 2^401805617352 is an apocalyptic number.

It is an amenable number.

401805617352 is an abundant number, since it is smaller than the sum of its proper divisors (602708426088).

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

401805617352 is a wasteful number, since it uses less digits than its factorization.

401805617352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16741900732 (or 16741900728 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 401805617352 in words is "four hundred one billion, eight hundred five million, six hundred seventeen thousand, three hundred fifty-two".