350405540220 has 48 divisors (see below), whose sum is σ = 981502468128. Its totient is φ = 93406529280.

The previous prime is 350405540197. The next prime is 350405540249. The reversal of 350405540220 is 22045504053.

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

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, 930171 + ... + 1251410.

It is an arithmetic number, because the mean of its divisors is an integer number (20447968086).

Almost surely, 2^350405540220 is an apocalyptic number.

350405540220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

350405540220 is an abundant number, since it is smaller than the sum of its proper divisors (631096927908).

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

350405540220 is a wasteful number, since it uses less digits than its factorization.

350405540220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184270 (or 2184268 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 350405540220 in words is "three hundred fifty billion, four hundred five million, five hundred forty thousand, two hundred twenty".