2455357140 has 72 divisors (see below), whose sum is σ = 7459288200. Its totient is φ = 653762304.

The previous prime is 2455357109. The next prime is 2455357153. The reversal of 2455357140 is 417535542.

2455357140 is a `hidden beast` number, since 2 + 45 + 5 + 3 + 571 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 912281616 + 1543075524 = 30204^2 + 39282^2 .

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 = 2455357095 and 2455357104.

It is a congruent number.

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, 111786 + ... + 131934.

It is an arithmetic number, because the mean of its divisors is an integer number (103601225).

Almost surely, 2^2455357140 is an apocalyptic number.

2455357140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2455357140 is an abundant number, since it is smaller than the sum of its proper divisors (5003931060).

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

2455357140 is a wasteful number, since it uses less digits than its factorization.

2455357140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20841 (or 20836 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 2455357140 is about 49551.5604194257. The cubic root of 2455357140 is about 1349.0816140598.

The spelling of 2455357140 in words is "two billion, four hundred fifty-five million, three hundred fifty-seven thousand, one hundred forty".