253533316140 has 144 divisors (see below), whose sum is σ = 858883447968. Its totient is φ = 62408185344.

The previous prime is 253533316103. The next prime is 253533316159. The reversal of 253533316140 is 41613335352.

253533316140 is a `hidden beast` number, since 2 + 5 + 3 + 5 + 3 + 3 + 31 + 614 + 0 = 666.

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 = 253533316095 and 253533316104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1943257 + ... + 2069616.

Almost surely, 2^253533316140 is an apocalyptic number.

253533316140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253533316140 is an abundant number, since it is smaller than the sum of its proper divisors (605350131828).

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

253533316140 is a wasteful number, since it uses less digits than its factorization.

253533316140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012910 (or 4012896 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The spelling of 253533316140 in words is "two hundred fifty-three billion, five hundred thirty-three million, three hundred sixteen thousand, one hundred forty".