157387683240 has 384 divisors, whose sum is σ = 543991219200. Its totient is φ = 39400058880.

The previous prime is 157387683223. The next prime is 157387683259. The reversal of 157387683240 is 42386783751.

It is a happy number.

157387683240 is a `hidden beast` number, since 1 + 573 + 8 + 7 + 68 + 3 + 2 + 4 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 75340116 + ... + 75342204.

It is an arithmetic number, because the mean of its divisors is an integer number (1416643800).

Almost surely, 2^157387683240 is an apocalyptic number.

157387683240 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 157387683240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271995609600).

157387683240 is an abundant number, since it is smaller than the sum of its proper divisors (386603535960).

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

157387683240 is a wasteful number, since it uses less digits than its factorization.

157387683240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337 (or 2330 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 157387683240 in words is "one hundred fifty-seven billion, three hundred eighty-seven million, six hundred eighty-three thousand, two hundred forty".