4072642520 has 16 divisors (see below), whose sum is σ = 9163445760. Its totient is φ = 1629056992.

The previous prime is 4072642517. The next prime is 4072642549. The reversal of 4072642520 is 252462704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50907992 + ... + 50908071.

It is an arithmetic number, because the mean of its divisors is an integer number (572715360).

Almost surely, 2^4072642520 is an apocalyptic number.

4072642520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4072642520 is an abundant number, since it is smaller than the sum of its proper divisors (5090803240).

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

4072642520 is a wasteful number, since it uses less digits than its factorization.

4072642520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101816074 (or 101816070 counting only the distinct ones).

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

The square root of 4072642520 is about 63817.2587941538. The cubic root of 4072642520 is about 1596.9528619860.

The spelling of 4072642520 in words is "four billion, seventy-two million, six hundred forty-two thousand, five hundred twenty".