10144739220 has 144 divisors (see below), whose sum is σ = 35682831744. Its totient is φ = 2107987200.

The previous prime is 10144739201. The next prime is 10144739249. The reversal of 10144739220 is 2293744101.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48991 + ... + 150630.

Almost surely, 2^10144739220 is an apocalyptic number.

10144739220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10144739220 is an abundant number, since it is smaller than the sum of its proper divisors (25538092524).

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

10144739220 is a wasteful number, since it uses less digits than its factorization.

10144739220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199662 (or 199649 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 10144739220 in words is "ten billion, one hundred forty-four million, seven hundred thirty-nine thousand, two hundred twenty".