5457756240 has 160 divisors (see below), whose sum is σ = 18898790400. Its totient is φ = 1447672320.

The previous prime is 5457756197. The next prime is 5457756259. The reversal of 5457756240 is 426577545.

5457756240 is a `hidden beast` number, since 5 + 4 + 577 + 56 + 24 + 0 = 666.

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 31 ways as a sum of consecutive naturals, for example, 405946 + ... + 419174.

It is an arithmetic number, because the mean of its divisors is an integer number (118117440).

Almost surely, 2^5457756240 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 5457756240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9449395200).

5457756240 is an abundant number, since it is smaller than the sum of its proper divisors (13441034160).

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

5457756240 is a wasteful number, since it uses less digits than its factorization.

5457756240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13442 (or 13430 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The square root of 5457756240 is about 73876.6285099692. The cubic root of 5457756240 is about 1760.6432996178.

The spelling of 5457756240 in words is "five billion, four hundred fifty-seven million, seven hundred fifty-six thousand, two hundred forty".