157043548440 has 320 divisors, whose sum is σ = 532730088000. Its totient is φ = 41492487168.

The previous prime is 157043548429. The next prime is 157043548463. The reversal of 157043548440 is 44845340751.

157043548440 is a `hidden beast` number, since 1 + 570 + 4 + 35 + 4 + 8 + 4 + 40 = 666.

It is a super-2 number, since 2×157043548440² (a number of 23 digits) contains 22 as substring.

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 polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 240495154 + ... + 240495806.

It is an arithmetic number, because the mean of its divisors is an integer number (1664781525).

Almost surely, 2^157043548440 is an apocalyptic number.

157043548440 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 157043548440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266365044000).

157043548440 is an abundant number, since it is smaller than the sum of its proper divisors (375686539560).

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

157043548440 is a wasteful number, since it uses less digits than its factorization.

157043548440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 157043548440 in words is "one hundred fifty-seven billion, forty-three million, five hundred forty-eight thousand, four hundred forty".