2142592380 has 72 divisors (see below), whose sum is σ = 6841270800. Its totient is φ = 541285632.

The previous prime is 2142592379. The next prime is 2142592409. The reversal of 2142592380 is 832952412.

It is a happy number.

2142592380 is a `hidden beast` number, since 21 + 4 + 259 + 2 + 380 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 309825 + ... + 316664.

It is an arithmetic number, because the mean of its divisors is an integer number (95017650).

Almost surely, 2^2142592380 is an apocalyptic number.

2142592380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142592380 is an abundant number, since it is smaller than the sum of its proper divisors (4698678420).

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

2142592380 is a wasteful number, since it uses less digits than its factorization.

2142592380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626523 (or 626518 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2142592380 is about 46288.1451345806. The cubic root of 2142592380 is about 1289.1788897531.

The spelling of 2142592380 in words is "two billion, one hundred forty-two million, five hundred ninety-two thousand, three hundred eighty".