401877400317330 has 256 divisors, whose sum is σ = 1184612892954624. Its totient is φ = 85159623352320.

The previous prime is 401877400317247. The next prime is 401877400317377. The reversal of 401877400317330 is 33713004778104.

It is a self number, because there is not a number n which added to its sum of digits gives 401877400317330.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7457199685 + ... + 7457253575.

It is an arithmetic number, because the mean of its divisors is an integer number (4627394113104).

Almost surely, 2^{401877400317330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401877400317330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592306446477312).

401877400317330 is an abundant number, since it is smaller than the sum of its proper divisors (782735492637294).

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

401877400317330 is a wasteful number, since it uses less digits than its factorization.

401877400317330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85169.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 401877400317330 in words is "four hundred one trillion, eight hundred seventy-seven billion, four hundred million, three hundred seventeen thousand, three hundred thirty".