350405520000 has 320 divisors, whose sum is σ = 1165040817600. Its totient is φ = 93284352000.

The previous prime is 350405519957. The next prime is 350405520011. The reversal of 350405520000 is 25504053.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 242159277 + ... + 242160723.

It is an arithmetic number, because the mean of its divisors is an integer number (3640752555).

Almost surely, 2^350405520000 is an apocalyptic number.

350405520000 is a gapful number since it is divisible by the number (30) 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 350405520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582520408800).

350405520000 is an abundant number, since it is smaller than the sum of its proper divisors (814635297600).

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

350405520000 is a wasteful number, since it uses less digits than its factorization.

350405520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493 (or 2466 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The spelling of 350405520000 in words is "three hundred fifty billion, four hundred five million, five hundred twenty thousand".