253282144742 has 32 divisors (see below), whose sum is σ = 419777579520. Its totient is φ = 113652096480.

The previous prime is 253282144699. The next prime is 253282144783. The reversal of 253282144742 is 247441282352.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 253282144693 and 253282144702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20914253 + ... + 20926359.

It is an arithmetic number, because the mean of its divisors is an integer number (13118049360).

Almost surely, 2^253282144742 is an apocalyptic number.

253282144742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

253282144742 is a deficient number, since it is larger than the sum of its proper divisors (166495434778).

253282144742 is a wasteful number, since it uses less digits than its factorization.

253282144742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24236.

The product of its digits is 860160, while the sum is 44.

The spelling of 253282144742 in words is "two hundred fifty-three billion, two hundred eighty-two million, one hundred forty-four thousand, seven hundred forty-two".