1901144088 has 64 divisors (see below), whose sum is σ = 5409784800. Its totient is φ = 618255360.

The previous prime is 1901144087. The next prime is 1901144093. The reversal of 1901144088 is 8804411091.

It is a super-3 number, since 3×1901144088³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901144087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98481 + ... + 116192.

Almost surely, 2^1901144088 is an apocalyptic number.

1901144088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1901144088 is an abundant number, since it is smaller than the sum of its proper divisors (3508640712).

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

1901144088 is a wasteful number, since it uses less digits than its factorization.

1901144088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214729 (or 214719 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 1901144088 is about 43602.1110498104. Note that the first 3 decimals coincide. The cubic root of 1901144088 is about 1238.8108805025.

The spelling of 1901144088 in words is "one billion, nine hundred one million, one hundred forty-four thousand, eighty-eight".