57487400140 has 48 divisors (see below), whose sum is σ = 126676327680. Its totient is φ = 21872269760.

The previous prime is 57487400059. The next prime is 57487400149. The reversal of 57487400140 is 4100478475.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 57487400093 and 57487400102.

It is not an unprimeable number, because it can be changed into a prime (57487400149) 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, 266746 + ... + 431425.

It is an arithmetic number, because the mean of its divisors is an integer number (2639090160).

Almost surely, 2^57487400140 is an apocalyptic number.

It is an amenable number.

57487400140 is an abundant number, since it is smaller than the sum of its proper divisors (69188927540).

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

57487400140 is a wasteful number, since it uses less digits than its factorization.

57487400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698382 (or 698380 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 40.

The spelling of 57487400140 in words is "fifty-seven billion, four hundred eighty-seven million, four hundred thousand, one hundred forty".