4145074340 has 72 divisors (see below), whose sum is σ = 9596131776. Its totient is φ = 1491568000.

The previous prime is 4145074321. The next prime is 4145074363. The reversal of 4145074340 is 434705414.

It is a junction number, because it is equal to n+sod(n) for n = 4145074297 and 4145074306.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2243297 + ... + 2245143.

It is an arithmetic number, because the mean of its divisors is an integer number (133279608).

Almost surely, 2^4145074340 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 4145074340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4798065888).

4145074340 is an abundant number, since it is smaller than the sum of its proper divisors (5451057436).

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

4145074340 is a wasteful number, since it uses less digits than its factorization.

4145074340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 4145074340 is about 64382.2517468906. The cubic root of 4145074340 is about 1606.3645373668.

Adding to 4145074340 its reverse (434705414), we get a palindrome (4579779754).

It can be divided in two parts, 4145074 and 340, that added together give a palindrome (4145414).

The spelling of 4145074340 in words is "four billion, one hundred forty-five million, seventy-four thousand, three hundred forty".