354244622481 has 40 divisors (see below), whose sum is σ = 531972187560. Its totient is φ = 234919948032.

The previous prime is 354244622471. The next prime is 354244622503. The reversal of 354244622481 is 184226442453.

354244622481 is a `hidden beast` number, since 3 + 542 + 4 + 4 + 6 + 2 + 24 + 81 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7158682881 + 347085939600 = 84609^2 + 589140^2 .

It is not a de Polignac number, because 354244622481 - 2⁷ = 354244622353 is a prime.

It is a super-3 number, since 3×354244622481³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (354244622401) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13830835 + ... + 13856423.

It is an arithmetic number, because the mean of its divisors is an integer number (13299304689).

Almost surely, 2^354244622481 is an apocalyptic number.

It is an amenable number.

354244622481 is a deficient number, since it is larger than the sum of its proper divisors (177727565079).

354244622481 is a wasteful number, since it uses less digits than its factorization.

354244622481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26495 (or 26486 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 45.

The spelling of 354244622481 in words is "three hundred fifty-four billion, two hundred forty-four million, six hundred twenty-two thousand, four hundred eighty-one".