4400400154 has 8 divisors (see below), whose sum is σ = 6725140020. Its totient is φ = 2158686816.

The previous prime is 4400400131. The next prime is 4400400161. The reversal of 4400400154 is 4510040044.

It can be written as a sum of positive squares in 2 ways, for example, as 4280168929 + 120231225 = 65423^2 + 10965^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20756499 + ... + 20756710.

Almost surely, 2^4400400154 is an apocalyptic number.

4400400154 is a deficient number, since it is larger than the sum of its proper divisors (2324739866).

4400400154 is a wasteful number, since it uses less digits than its factorization.

4400400154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41513264.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4400400154 is about 66335.5120127975. The cubic root of 4400400154 is about 1638.6922146476.

Adding to 4400400154 its reverse (4510040044), we get a palindrome (8910440198).

The spelling of 4400400154 in words is "four billion, four hundred million, four hundred thousand, one hundred fifty-four".