354256620512 has 24 divisors (see below), whose sum is σ = 738468765216. Its totient is φ = 166708997632.

The previous prime is 354256620481. The next prime is 354256620517. The reversal of 354256620512 is 215026652453.

It is a super-3 number, since 3×354256620512³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 354256620512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354256620517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325602968 + ... + 325604055.

It is an arithmetic number, because the mean of its divisors is an integer number (30769531884).

Almost surely, 2^354256620512 is an apocalyptic number.

354256620512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

354256620512 is an abundant number, since it is smaller than the sum of its proper divisors (384212144704).

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

354256620512 is a wasteful number, since it uses less digits than its factorization.

354256620512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651207050 (or 651207042 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 354256620512 in words is "three hundred fifty-four billion, two hundred fifty-six million, six hundred twenty thousand, five hundred twelve".