1404154144 has 48 divisors (see below), whose sum is σ = 2849128128. Its totient is φ = 680700672.

The previous prime is 1404154133. The next prime is 1404154153. The reversal of 1404154144 is 4414514041.

It is a super-2 number, since 2×1404154144² = 3943297720224745472, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 361557 + ... + 365419.

It is an arithmetic number, because the mean of its divisors is an integer number (59356836).

Almost surely, 2^1404154144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404154144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424564064).

1404154144 is an abundant number, since it is smaller than the sum of its proper divisors (1444973984).

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

1404154144 is a wasteful number, since it uses less digits than its factorization.

1404154144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217 (or 4209 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 1404154144 is about 37472.0448334488. The cubic root of 1404154144 is about 1119.7943244772.

Adding to 1404154144 its reverse (4414514041), we get a palindrome (5818668185).

The spelling of 1404154144 in words is "one billion, four hundred four million, one hundred fifty-four thousand, one hundred forty-four".