349840423552 has 32 divisors (see below), whose sum is σ = 697068933300. Its totient is φ = 174889789440.

The previous prime is 349840423523. The next prime is 349840423567. The reversal of 349840423552 is 255324048943.

It can be written as a sum of positive squares in 2 ways, for example, as 344869609536 + 4970814016 = 587256^2 + 70504^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 349840423496 and 349840423505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510324 + ... + 979852.

Almost surely, 2^349840423552 is an apocalyptic number.

349840423552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

349840423552 is a deficient number, since it is larger than the sum of its proper divisors (347228509748).

349840423552 is an equidigital number, since it uses as much as digits as its factorization.

349840423552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475364 (or 475352 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 349840423552 in words is "three hundred forty-nine billion, eight hundred forty million, four hundred twenty-three thousand, five hundred fifty-two".