4207819540 has 24 divisors (see below), whose sum is σ = 8838420192. Its totient is φ = 1682747040.

The previous prime is 4207819531. The next prime is 4207819547. The reversal of 4207819540 is 459187024.

It is a junction number, because it is equal to n+sod(n) for n = 4207819493 and 4207819502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4207819547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77287 + ... + 119953.

It is an arithmetic number, because the mean of its divisors is an integer number (368267508).

Almost surely, 2^4207819540 is an apocalyptic number.

It is an amenable number.

4207819540 is an abundant number, since it is smaller than the sum of its proper divisors (4630600652).

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

4207819540 is a wasteful number, since it uses less digits than its factorization.

4207819540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47607 (or 47605 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 4207819540 is about 64867.7079909565. The cubic root of 4207819540 is about 1614.4293165234.

The spelling of 4207819540 in words is "four billion, two hundred seven million, eight hundred nineteen thousand, five hundred forty".