401025535320000 has 560 divisors, whose sum is σ = 1415706683846400. Its totient is φ = 99911691264000.

The previous prime is 401025535319963. The next prime is 401025535320013. The reversal of 401025535320000 is 23535520104.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 401025535320000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 116990476 + ... + 120369524.

Almost surely, 2^{401025535320000} is an apocalyptic number.

401025535320000 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 401025535320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707853341923200).

401025535320000 is an abundant number, since it is smaller than the sum of its proper divisors (1014681148526400).

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

401025535320000 is a wasteful number, since it uses less digits than its factorization.

401025535320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379150 (or 3379125 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 401025535320000 in words is "four hundred one trillion, twenty-five billion, five hundred thirty-five million, three hundred twenty thousand".