157440470189850 has 96 divisors (see below), whose sum is σ = 433839696589440. Its totient is φ = 41983764001920.

The previous prime is 157440470189801. The next prime is 157440470189851. The reversal of 157440470189850 is 58981074044751.

157440470189850 is a `hidden beast` number, since 1 + 5 + 7 + 4 + 4 + 0 + 470 + 1 + 89 + 85 + 0 = 666.

157440470189850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (157440470189851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180582574 + ... + 181452326.

It is an arithmetic number, because the mean of its divisors is an integer number (4519163506140).

Almost surely, 2^{157440470189850} is an apocalyptic number.

157440470189850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157440470189850 is an abundant number, since it is smaller than the sum of its proper divisors (276399226399590).

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

157440470189850 is a wasteful number, since it uses less digits than its factorization.

157440470189850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003861 (or 1003850 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 63.

The spelling of 157440470189850 in words is "one hundred fifty-seven trillion, four hundred forty billion, four hundred seventy million, one hundred eighty-nine thousand, eight hundred fifty".