3445605240 has 128 divisors (see below), whose sum is σ = 12887493120. Its totient is φ = 715968000.

The previous prime is 3445605227. The next prime is 3445605257. The reversal of 3445605240 is 425065443.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177211 + ... + 195690.

It is an arithmetic number, because the mean of its divisors is an integer number (100683540).

Almost surely, 2^3445605240 is an apocalyptic number.

3445605240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3445605240 is an abundant number, since it is smaller than the sum of its proper divisors (9441887880).

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

3445605240 is a wasteful number, since it uses less digits than its factorization.

3445605240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372933 (or 372929 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 3445605240 is about 58699.2780194101. The cubic root of 3445605240 is about 1510.3879300942.

The spelling of 3445605240 in words is "three billion, four hundred forty-five million, six hundred five thousand, two hundred forty".