351641516240 has 80 divisors (see below), whose sum is σ = 956091151488. Its totient is φ = 117759011328.

The previous prime is 351641516201. The next prime is 351641516243. The reversal of 351641516240 is 42615146153.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 351641516194 and 351641516203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351641516243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7277447 + ... + 7325606.

Almost surely, 2^351641516240 is an apocalyptic number.

It is an amenable number.

351641516240 is an abundant number, since it is smaller than the sum of its proper divisors (604449635248).

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

351641516240 is a wasteful number, since it uses less digits than its factorization.

351641516240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14603116 (or 14603110 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 351641516240 in words is "three hundred fifty-one billion, six hundred forty-one million, five hundred sixteen thousand, two hundred forty".