157209528740 has 24 divisors (see below), whose sum is σ = 360152739072. Its totient is φ = 57167101280.

The previous prime is 157209528713. The next prime is 157209528743. The reversal of 157209528740 is 47825902751.

It is not an unprimeable number, because it can be changed into a prime (157209528743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357294164 + ... + 357294603.

It is an arithmetic number, because the mean of its divisors is an integer number (15006364128).

Almost surely, 2^157209528740 is an apocalyptic number.

157209528740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157209528740 is an abundant number, since it is smaller than the sum of its proper divisors (202943210332).

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

157209528740 is a wasteful number, since it uses less digits than its factorization.

157209528740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714588787 (or 714588785 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 157209528740 in words is "one hundred fifty-seven billion, two hundred nine million, five hundred twenty-eight thousand, seven hundred forty".