14157331920 has 60 divisors (see below), whose sum is σ = 47545042116. Its totient is φ = 3775288320.

The previous prime is 14157331871. The next prime is 14157331921. The reversal of 14157331920 is 2913375141.

It can be written as a sum of positive squares in 2 ways, for example, as 7650651024 + 6506680896 = 87468^2 + 80664^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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 (14157331921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9830761 + ... + 9832200.

Almost surely, 2^14157331920 is an apocalyptic number.

14157331920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14157331920 is an abundant number, since it is smaller than the sum of its proper divisors (33387710196).

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

14157331920 is a wasteful number, since it uses less digits than its factorization.

14157331920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19662980 (or 19662971 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 14157331920 in words is "fourteen billion, one hundred fifty-seven million, three hundred thirty-one thousand, nine hundred twenty".