351578441340 has 72 divisors (see below), whose sum is σ = 1218805267680. Its totient is φ = 80360786304.

The previous prime is 351578441323. The next prime is 351578441371. The reversal of 351578441340 is 43144875153.

351578441340 is a `hidden beast` number, since 3 + 5 + 1 + 578 + 4 + 41 + 34 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139513995 + ... + 139516514.

It is an arithmetic number, because the mean of its divisors is an integer number (16927850940).

Almost surely, 2^351578441340 is an apocalyptic number.

351578441340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

351578441340 is an abundant number, since it is smaller than the sum of its proper divisors (867226826340).

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

351578441340 is a wasteful number, since it uses less digits than its factorization.

351578441340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279030531 (or 279030526 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 351578441340 in words is "three hundred fifty-one billion, five hundred seventy-eight million, four hundred forty-one thousand, three hundred forty".