2054455190 has 8 divisors (see below), whose sum is σ = 3698019360. Its totient is φ = 821782072.

The previous prime is 2054455189. The next prime is 2054455223. The reversal of 2054455190 is 915544502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2054455190² = 8441572255435872200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2054455190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102722750 + ... + 102722769.

It is an arithmetic number, because the mean of its divisors is an integer number (462252420).

Almost surely, 2^2054455190 is an apocalyptic number.

2054455190 is a deficient number, since it is larger than the sum of its proper divisors (1643564170).

2054455190 is a wasteful number, since it uses less digits than its factorization.

2054455190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205445526.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 2054455190 is about 45326.0983319765. The cubic root of 2054455190 is about 1271.2536837921.

Adding to 2054455190 its reverse (915544502), we get a palindrome (2969999692).

The spelling of 2054455190 in words is "two billion, fifty-four million, four hundred fifty-five thousand, one hundred ninety".