157440949872 has 80 divisors (see below), whose sum is σ = 414053832192. Its totient is φ = 51542599680.

The previous prime is 157440949867. The next prime is 157440949873. The reversal of 157440949872 is 278949044751.

157440949872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157440949873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480873 + ... + 738999.

Almost surely, 2^157440949872 is an apocalyptic number.

157440949872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157440949872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207026916096).

157440949872 is an abundant number, since it is smaller than the sum of its proper divisors (256612882320).

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

157440949872 is a wasteful number, since it uses less digits than its factorization.

157440949872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258366 (or 258360 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 157440949872 in words is "one hundred fifty-seven billion, four hundred forty million, nine hundred forty-nine thousand, eight hundred seventy-two".