4015144120 has 64 divisors (see below), whose sum is σ = 9737068320. Its totient is φ = 1481286144.

The previous prime is 4015144117. The next prime is 4015144121. The reversal of 4015144120 is 214415104.

It is a super-2 number, since 2×4015144120² = 32242764608741148800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4015144091 and 4015144100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4015144121) 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, 836367 + ... + 841153.

Almost surely, 2^4015144120 is an apocalyptic number.

4015144120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4015144120 is an abundant number, since it is smaller than the sum of its proper divisors (5721924200).

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

4015144120 is a wasteful number, since it uses less digits than its factorization.

4015144120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424 (or 6420 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4015144120 is about 63365.1648778728. The cubic root of 4015144120 is about 1589.4018450693.

Adding to 4015144120 its reverse (214415104), we get a palindrome (4229559224).

The spelling of 4015144120 in words is "four billion, fifteen million, one hundred forty-four thousand, one hundred twenty".