354040644 has 24 divisors (see below), whose sum is σ = 828444960. Its totient is φ = 117677824.

The previous prime is 354040627. The next prime is 354040649. The reversal of 354040644 is 446040453.

It is not an unprimeable number, because it can be changed into a prime (354040649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37554 + ... + 46025.

It is an arithmetic number, because the mean of its divisors is an integer number (34518540).

Almost surely, 2^354040644 is an apocalyptic number.

It is an amenable number.

354040644 is an abundant number, since it is smaller than the sum of its proper divisors (474404316).

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

354040644 is a wasteful number, since it uses less digits than its factorization.

354040644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83939 (or 83937 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 354040644 is about 18815.9677933398. The cubic root of 354040644 is about 707.4314676800.

The spelling of 354040644 in words is "three hundred fifty-four million, forty thousand, six hundred forty-four".