3405473540 has 72 divisors (see below), whose sum is σ = 8424581760. Its totient is φ = 1152785088.

The previous prime is 3405473503. The next prime is 3405473549. The reversal of 3405473540 is 453745043.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 3405473540.

It is not an unprimeable number, because it can be changed into a prime (3405473549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55427 + ... + 99413.

It is an arithmetic number, because the mean of its divisors is an integer number (117008080).

Almost surely, 2^3405473540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3405473540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4212290880).

3405473540 is an abundant number, since it is smaller than the sum of its proper divisors (5019108220).

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

3405473540 is a wasteful number, since it uses less digits than its factorization.

3405473540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44089 (or 44080 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 35.

The square root of 3405473540 is about 58356.4352920910. The cubic root of 3405473540 is about 1504.5010785368.

The spelling of 3405473540 in words is "three billion, four hundred five million, four hundred seventy-three thousand, five hundred forty".