354515540 has 12 divisors (see below), whose sum is σ = 744482676. Its totient is φ = 141806208.

The previous prime is 354515533. The next prime is 354515543. The reversal of 354515540 is 45515453.

It can be written as a sum of positive squares in 2 ways, for example, as 195049156 + 159466384 = 13966^2 + 12628^2 .

It is a junction number, because it is equal to n+sod(n) for n = 354515497 and 354515506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354515543) 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 3 ways as a sum of consecutive naturals, for example, 8862869 + ... + 8862908.

It is an arithmetic number, because the mean of its divisors is an integer number (62040223).

Almost surely, 2^354515540 is an apocalyptic number.

It is an amenable number.

354515540 is an abundant number, since it is smaller than the sum of its proper divisors (389967136).

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

354515540 is a wasteful number, since it uses less digits than its factorization.

354515540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17725786 (or 17725784 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 354515540 is about 18828.5830587434. The cubic root of 354515540 is about 707.7476331438.

The spelling of 354515540 in words is "three hundred fifty-four million, five hundred fifteen thousand, five hundred forty".