354403504260 has 144 divisors (see below), whose sum is σ = 1157946294960. Its totient is φ = 87220592640.

The previous prime is 354403504243. The next prime is 354403504267. The reversal of 354403504260 is 62405304453.

354403504260 is a `hidden beast` number, since 3 + 5 + 4 + 40 + 350 + 4 + 260 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 14868875844 + 339534628416 = 121938^2 + 582696^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (354403504267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15153856 + ... + 15177224.

It is an arithmetic number, because the mean of its divisors is an integer number (8041293715).

Almost surely, 2^354403504260 is an apocalyptic number.

354403504260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354403504260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578973147480).

354403504260 is an abundant number, since it is smaller than the sum of its proper divisors (803542790700).

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

354403504260 is a wasteful number, since it uses less digits than its factorization.

354403504260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29878 (or 29873 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 354403504260 in words is "three hundred fifty-four billion, four hundred three million, five hundred four thousand, two hundred sixty".