401095297408 has 128 divisors (see below), whose sum is σ = 914521587840. Its totient is φ = 173585203200.

The previous prime is 401095297331. The next prime is 401095297423. The reversal of 401095297408 is 804792590104.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7639888 + ... + 7692208.

It is an arithmetic number, because the mean of its divisors is an integer number (7144699905).

Almost surely, 2^401095297408 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 401095297408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457260793920).

401095297408 is an abundant number, since it is smaller than the sum of its proper divisors (513426290432).

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

401095297408 is a wasteful number, since it uses less digits than its factorization.

401095297408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52636 (or 52624 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 401095297408 in words is "four hundred one billion, ninety-five million, two hundred ninety-seven thousand, four hundred eight".