157129943040 has 1344 divisors, whose sum is σ = 673738490880. Its totient is φ = 34398535680.

The previous prime is 157129943039. The next prime is 157129943051. The reversal of 157129943040 is 40349921751.

157129943040 is a `hidden beast` number, since 1 + 57 + 1 + 299 + 4 + 304 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1619896272 + ... + 1619896368.

It is an arithmetic number, because the mean of its divisors is an integer number (501293520).

Almost surely, 2^157129943040 is an apocalyptic number.

157129943040 is a gapful number since it is divisible by the number (10) 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 157129943040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336869245440).

157129943040 is an abundant number, since it is smaller than the sum of its proper divisors (516608547840).

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

157129943040 is an frugal number, since it uses more digits than its factorization.

157129943040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 157129943040 in words is "one hundred fifty-seven billion, one hundred twenty-nine million, nine hundred forty-three thousand, forty".