4124515440 has 80 divisors (see below), whose sum is σ = 13458960000. Its totient is φ = 1041981696.

The previous prime is 4124515429. The next prime is 4124515441. The reversal of 4124515440 is 445154214.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×4124515440² = 34023255229596787200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4124515398 and 4124515407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4124515441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447690 + ... + 456809.

It is an arithmetic number, because the mean of its divisors is an integer number (168237000).

Almost surely, 2^4124515440 is an apocalyptic number.

4124515440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4124515440 is an abundant number, since it is smaller than the sum of its proper divisors (9334444560).

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

4124515440 is a wasteful number, since it uses less digits than its factorization.

4124515440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904534 (or 904528 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 4124515440 is about 64222.3904880533. The cubic root of 4124515440 is about 1603.7043648485.

Adding to 4124515440 its reverse (445154214), we get a palindrome (4569669654).

The spelling of 4124515440 in words is "four billion, one hundred twenty-four million, five hundred fifteen thousand, four hundred forty".