2142055398 has 32 divisors (see below), whose sum is σ = 4897566720. Its totient is φ = 611835840.

The previous prime is 2142055397. The next prime is 2142055423. The reversal of 2142055398 is 8935502412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142055397) 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, 213883 + ... + 223673.

It is an arithmetic number, because the mean of its divisors is an integer number (153048960).

Almost surely, 2^2142055398 is an apocalyptic number.

2142055398 is an abundant number, since it is smaller than the sum of its proper divisors (2755511322).

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

2142055398 is a wasteful number, since it uses less digits than its factorization.

2142055398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15012.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 2142055398 is about 46282.3443442529. The cubic root of 2142055398 is about 1289.0711816475.

The spelling of 2142055398 in words is "two billion, one hundred forty-two million, fifty-five thousand, three hundred ninety-eight".