57403722240 has 240 divisors, whose sum is σ = 199104542208. Its totient is φ = 15284625408.

The previous prime is 57403722239. The next prime is 57403722283. The reversal of 57403722240 is 4222730475.

It is a happy number.

57403722240 is a `hidden beast` number, since 5 + 7 + 40 + 372 + 2 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 57403722195 and 57403722204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19882077 + ... + 19884963.

Almost surely, 2^57403722240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57403722240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99552271104).

57403722240 is an abundant number, since it is smaller than the sum of its proper divisors (141700819968).

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

57403722240 is a wasteful number, since it uses less digits than its factorization.

57403722240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779 (or 3760 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The spelling of 57403722240 in words is "fifty-seven billion, four hundred three million, seven hundred twenty-two thousand, two hundred forty".