354052420 has 24 divisors (see below), whose sum is σ = 746285400. Its totient is φ = 141092352.

The previous prime is 354052397. The next prime is 354052423. The reversal of 354052420 is 24250453.

It can be written as a sum of positive squares in 4 ways, for example, as 39841344 + 314211076 = 6312^2 + 17726^2 .

It is a super-2 number, since 2×354052420² = 250706232215712800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (354052423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27525 + ... + 38284.

It is an arithmetic number, because the mean of its divisors is an integer number (31095225).

Almost surely, 2^354052420 is an apocalyptic number.

It is an amenable number.

354052420 is an abundant number, since it is smaller than the sum of its proper divisors (392232980).

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

354052420 is a wasteful number, since it uses less digits than its factorization.

354052420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66087 (or 66085 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 354052420 is about 18816.2807164434. The cubic root of 354052420 is about 707.4393110549.

The spelling of 354052420 in words is "three hundred fifty-four million, fifty-two thousand, four hundred twenty".