4124489840 has 20 divisors (see below), whose sum is σ = 9589439064. Its totient is φ = 1649795904.

The previous prime is 4124489821. The next prime is 4124489879. The reversal of 4124489840 is 489844214.

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

It is a super-2 number, since 2×4124489840² = 34022832880526451200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4124489791 and 4124489800.

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, 25777982 + ... + 25778141.

Almost surely, 2^4124489840 is an apocalyptic number.

4124489840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4124489840 is an abundant number, since it is smaller than the sum of its proper divisors (5464949224).

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

4124489840 is a wasteful number, since it uses less digits than its factorization.

4124489840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51556136 (or 51556130 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 4124489840 is about 64222.1911803078. The cubic root of 4124489840 is about 1603.7010468897.

The spelling of 4124489840 in words is "four billion, one hundred twenty-four million, four hundred eighty-nine thousand, eight hundred forty".