253455250742 has 16 divisors (see below), whose sum is σ = 380577137472. Its totient is φ = 126596252160.

The previous prime is 253455250729. The next prime is 253455250759. The reversal of 253455250742 is 247052554352.

It is a junction number, because it is equal to n+sod(n) for n = 253455250693 and 253455250702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16010243 + ... + 16026065.

It is an arithmetic number, because the mean of its divisors is an integer number (23786071092).

Almost surely, 2^253455250742 is an apocalyptic number.

253455250742 is a deficient number, since it is larger than the sum of its proper divisors (127121886730).

253455250742 is a wasteful number, since it uses less digits than its factorization.

253455250742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23623.

The product of its (nonzero) digits is 1680000, while the sum is 44.

The spelling of 253455250742 in words is "two hundred fifty-three billion, four hundred fifty-five million, two hundred fifty thousand, seven hundred forty-two".