2403042120 has 64 divisors (see below), whose sum is σ = 8010144000. Its totient is φ = 640810944.

The previous prime is 2403042107. The next prime is 2403042121. The reversal of 2403042120 is 212403042.

2403042120 is a `hidden beast` number, since 240 + 3 + 0 + 421 + 2 + 0 = 666.

It is a super-2 number, since 2×2403042120² = 11549222860988188800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2403042093 and 2403042102.

It is not an unprimeable number, because it can be changed into a prime (2403042121) 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, 1111440 + ... + 1113599.

It is an arithmetic number, because the mean of its divisors is an integer number (125158500).

Almost surely, 2^2403042120 is an apocalyptic number.

2403042120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2403042120 is an abundant number, since it is smaller than the sum of its proper divisors (5607101880).

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

2403042120 is a wasteful number, since it uses less digits than its factorization.

2403042120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225059 (or 2225049 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2403042120 is about 49020.8335302451. The cubic root of 2403042120 is about 1339.4313544750.

Adding to 2403042120 its reverse (212403042), we get a palindrome (2615445162).

The spelling of 2403042120 in words is "two billion, four hundred three million, forty-two thousand, one hundred twenty".