2053400845 has 16 divisors (see below), whose sum is σ = 2612157120. Its totient is φ = 1544235264.

The previous prime is 2053400821. The next prime is 2053400903. The reversal of 2053400845 is 5480043502.

It is a cyclic number.

It is not a de Polignac number, because 2053400845 - 2⁷ = 2053400717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58954 + ... + 87076.

It is an arithmetic number, because the mean of its divisors is an integer number (163259820).

Almost surely, 2^2053400845 is an apocalyptic number.

It is an amenable number.

2053400845 is a deficient number, since it is larger than the sum of its proper divisors (558756275).

2053400845 is a wasteful number, since it uses less digits than its factorization.

2053400845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29004.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2053400845 is about 45314.4661780319. The cubic root of 2053400845 is about 1271.0361777392.

The spelling of 2053400845 in words is "two billion, fifty-three million, four hundred thousand, eight hundred forty-five".