354515040 has 144 divisors (see below), whose sum is σ = 1319821776. Its totient is φ = 85939200.

The previous prime is 354515033. The next prime is 354515081. The reversal of 354515040 is 40515453.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 354514995 and 354515013.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4650 + ... + 27030.

It is an arithmetic number, because the mean of its divisors is an integer number (9165429).

Almost surely, 2^354515040 is an apocalyptic number.

354515040 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 354515040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659910888).

354515040 is an abundant number, since it is smaller than the sum of its proper divisors (965306736).

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

354515040 is a wasteful number, since it uses less digits than its factorization.

354515040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22413 (or 22402 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 354515040 is about 18828.5697810535. The cubic root of 354515040 is about 707.7473004137.

The spelling of 354515040 in words is "three hundred fifty-four million, five hundred fifteen thousand, forty".