1953020144 has 40 divisors (see below), whose sum is σ = 3831175920. Its totient is φ = 964389888.

The previous prime is 1953020141. The next prime is 1953020171. The reversal of 1953020144 is 4410203591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1953020141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586067 + ... + 589389.

It is an arithmetic number, because the mean of its divisors is an integer number (95779398).

Almost surely, 2^1953020144 is an apocalyptic number.

It is an amenable number.

1953020144 is a deficient number, since it is larger than the sum of its proper divisors (1878155776).

1953020144 is a wasteful number, since it uses less digits than its factorization.

1953020144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1953020144 is about 44192.9874980183. The cubic root of 1953020144 is about 1249.9776303197.

The spelling of 1953020144 in words is "one billion, nine hundred fifty-three million, twenty thousand, one hundred forty-four".