354403869140 has 24 divisors (see below), whose sum is σ = 788027427432. Its totient is φ = 133422632960.

The previous prime is 354403869139. The next prime is 354403869163. The reversal of 354403869140 is 41968304453.

It can be written as a sum of positive squares in 4 ways, for example, as 19380537796 + 335023331344 = 139214^2 + 578812^2 .

It is a super-2 number, since 2×354403869140² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521181821 + ... + 521182500.

It is an arithmetic number, because the mean of its divisors is an integer number (32834476143).

Almost surely, 2^354403869140 is an apocalyptic number.

It is an amenable number.

354403869140 is an abundant number, since it is smaller than the sum of its proper divisors (433623558292).

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

354403869140 is a wasteful number, since it uses less digits than its factorization.

354403869140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042364347 (or 1042364345 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 354403869140 in words is "three hundred fifty-four billion, four hundred three million, eight hundred sixty-nine thousand, one hundred forty".