4187401520 has 20 divisors (see below), whose sum is σ = 9735708720. Its totient is φ = 1674960576.

The previous prime is 4187401501. The next prime is 4187401523. The reversal of 4187401520 is 251047814.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (4187401523) 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 3 ways as a sum of consecutive naturals, for example, 26171180 + ... + 26171339.

It is an arithmetic number, because the mean of its divisors is an integer number (486785436).

Almost surely, 2^4187401520 is an apocalyptic number.

4187401520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4187401520 is an abundant number, since it is smaller than the sum of its proper divisors (5548307200).

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

4187401520 is a wasteful number, since it uses less digits than its factorization.

4187401520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52342532 (or 52342526 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 4187401520 is about 64710.1346003854. The cubic root of 4187401520 is about 1611.8137962815.

The spelling of 4187401520 in words is "four billion, one hundred eighty-seven million, four hundred one thousand, five hundred twenty".