2153406342 has 16 divisors (see below), whose sum is σ = 4311144432. Its totient is φ = 717080160.

The previous prime is 2153406329. The next prime is 2153406347. The reversal of 2153406342 is 2436043512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153406347) 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, 174009 + ... + 185972.

It is an arithmetic number, because the mean of its divisors is an integer number (269446527).

Almost surely, 2^2153406342 is an apocalyptic number.

2153406342 is an abundant number, since it is smaller than the sum of its proper divisors (2157738090).

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

2153406342 is a wasteful number, since it uses less digits than its factorization.

2153406342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360983.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 2153406342 is about 46404.8094705710. The cubic root of 2153406342 is about 1291.3441394948.

Adding to 2153406342 its reverse (2436043512), we get a palindrome (4589449854).

The spelling of 2153406342 in words is "two billion, one hundred fifty-three million, four hundred six thousand, three hundred forty-two".