354020240016 has 135 divisors (see below), whose sum is σ = 999940746441. Its totient is φ = 116923853952.

The previous prime is 354020239961. The next prime is 354020240023. The reversal of 354020240016 is 610042020453.

The square root of 354020240016 is 594996.

It is a perfect power (a square), and thus also a powerful number.

354020240016 is a `hidden beast` number, since 3 + 5 + 40 + 202 + 400 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 61018880400 + 293001359616 = 247020^2 + 541296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1278051270 + ... + 1278051546.

Almost surely, 2^354020240016 is an apocalyptic number.

354020240016 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

354020240016 is the 594996-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354020240016

354020240016 is an abundant number, since it is smaller than the sum of its proper divisors (645920506425).

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

354020240016 is an equidigital number, since it uses as much as digits as its factorization.

354020240016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 354020240016 its reverse (610042020453), we get a palindrome (964062260469).

The spelling of 354020240016 in words is "three hundred fifty-four billion, twenty million, two hundred forty thousand, sixteen".