2402020240 has 40 divisors (see below), whose sum is σ = 5587374528. Its totient is φ = 960347520.

The previous prime is 2402020237. The next prime is 2402020277. The reversal of 2402020240 is 420202042.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 196549 + ... + 208411.

Almost surely, 2^2402020240 is an apocalyptic number.

2402020240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402020240 is an abundant number, since it is smaller than the sum of its proper divisors (3185354288).

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

2402020240 is a wasteful number, since it uses less digits than its factorization.

2402020240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14407 (or 14401 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2402020240 is about 49010.4095065528. The cubic root of 2402020240 is about 1339.2414656998.

Adding to 2402020240 its reverse (420202042), we get a palindrome (2822222282).

The spelling of 2402020240 in words is "two billion, four hundred two million, twenty thousand, two hundred forty".