2142502428 has 24 divisors (see below), whose sum is σ = 5453642880. Its totient is φ = 649243120.

The previous prime is 2142502421. The next prime is 2142502433. The reversal of 2142502428 is 8242052412.

It is a junction number, because it is equal to n+sod(n) for n = 2142502395 and 2142502404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142502421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8115408 + ... + 8115671.

It is an arithmetic number, because the mean of its divisors is an integer number (227235120).

Almost surely, 2^2142502428 is an apocalyptic number.

It is an amenable number.

2142502428 is an abundant number, since it is smaller than the sum of its proper divisors (3311140452).

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

2142502428 is a wasteful number, since it uses less digits than its factorization.

2142502428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16231097 (or 16231095 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 2142502428 is about 46287.1734717081. The cubic root of 2142502428 is about 1289.1608483929.

The spelling of 2142502428 in words is "two billion, one hundred forty-two million, five hundred two thousand, four hundred twenty-eight".