253433342043450 has 144 divisors (see below), whose sum is σ = 702515986099200. Its totient is φ = 65459532499200.

The previous prime is 253433342043383. The next prime is 253433342043467. The reversal of 253433342043450 is 54340243334352.

It is a happy number.

253433342043450 is a `hidden beast` number, since 2 + 5 + 3 + 433 + 3 + 4 + 204 + 3 + 4 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 253433342043396 and 253433342043405.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 46846330 + ... + 51975429.

It is an arithmetic number, because the mean of its divisors is an integer number (4878583236800).

Almost surely, 2^{253433342043450} is an apocalyptic number.

253433342043450 is an abundant number, since it is smaller than the sum of its proper divisors (449082644055750).

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

253433342043450 is a wasteful number, since it uses less digits than its factorization.

253433342043450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98821957 (or 98821949 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 45.

The spelling of 253433342043450 in words is "two hundred fifty-three trillion, four hundred thirty-three billion, three hundred forty-two million, forty-three thousand, four hundred fifty".