2142513240 has 96 divisors (see below), whose sum is σ = 7476954480. Its totient is φ = 489715968.

The previous prime is 2142513223. The next prime is 2142513251. The reversal of 2142513240 is 423152412.

2142513240 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2142513240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176307 + ... + 188066.

Almost surely, 2^2142513240 is an apocalyptic number.

2142513240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142513240 is an abundant number, since it is smaller than the sum of its proper divisors (5334441240).

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

2142513240 is a wasteful number, since it uses less digits than its factorization.

2142513240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364401 (or 364390 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2142513240 is about 46287.2902641751. The cubic root of 2142513240 is about 1289.1630169449.

Adding to 2142513240 its reverse (423152412), we get a palindrome (2565665652).

The spelling of 2142513240 in words is "two billion, one hundred forty-two million, five hundred thirteen thousand, two hundred forty".