351377621628 has 144 divisors (see below), whose sum is σ = 945258918912. Its totient is φ = 100644768000.

The previous prime is 351377621587. The next prime is 351377621641. The reversal of 351377621628 is 826126773153.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7542888 + ... + 7589328.

It is an arithmetic number, because the mean of its divisors is an integer number (6564298048).

Almost surely, 2^351377621628 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 351377621628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472629459456).

351377621628 is an abundant number, since it is smaller than the sum of its proper divisors (593881297284).

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

351377621628 is a wasteful number, since it uses less digits than its factorization.

351377621628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46576 (or 46531 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The spelling of 351377621628 in words is "three hundred fifty-one billion, three hundred seventy-seven million, six hundred twenty-one thousand, six hundred twenty-eight".