8957957140 has 48 divisors (see below), whose sum is σ = 20625091200. Its totient is φ = 3241054080.

The previous prime is 8957957111. The next prime is 8957957149. The reversal of 8957957140 is 417597598.

It is a happy number.

It is a super-2 number, since 2×8957957140² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8957957149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58527 + ... + 146086.

It is an arithmetic number, because the mean of its divisors is an integer number (429689400).

Almost surely, 2^8957957140 is an apocalyptic number.

It is an amenable number.

8957957140 is an abundant number, since it is smaller than the sum of its proper divisors (11667134060).

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

8957957140 is a wasteful number, since it uses less digits than its factorization.

8957957140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204832 (or 204830 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 55.

The square root of 8957957140 is about 94646.4850905727. The cubic root of 8957957140 is about 2076.8397784671.

The spelling of 8957957140 in words is "eight billion, nine hundred fifty-seven million, nine hundred fifty-seven thousand, one hundred forty".