2040154450 has 48 divisors (see below), whose sum is σ = 4002467040. Its totient is φ = 771552000.

The previous prime is 2040154397. The next prime is 2040154463. The reversal of 2040154450 is 544510402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 540570 + ... + 544330.

It is an arithmetic number, because the mean of its divisors is an integer number (83384730).

Almost surely, 2^2040154450 is an apocalyptic number.

2040154450 is a deficient number, since it is larger than the sum of its proper divisors (1962312590).

2040154450 is a wasteful number, since it uses less digits than its factorization.

2040154450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363 (or 4358 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2040154450 is about 45168.0689204221. The cubic root of 2040154450 is about 1268.2971473855.

Adding to 2040154450 its reverse (544510402), we get a palindrome (2584664852).

The spelling of 2040154450 in words is "two billion, forty million, one hundred fifty-four thousand, four hundred fifty".