253132440542 has 8 divisors (see below), whose sum is σ = 379707020976. Its totient is φ = 126563433552.

The previous prime is 253132440527. The next prime is 253132440607. The reversal of 253132440542 is 245044231352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277903 + ... + 1462634.

It is an arithmetic number, because the mean of its divisors is an integer number (47463377622).

Almost surely, 2^253132440542 is an apocalyptic number.

253132440542 is a deficient number, since it is larger than the sum of its proper divisors (126574580434).

253132440542 is a wasteful number, since it uses less digits than its factorization.

253132440542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786722.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 253132440542 its reverse (245044231352), we get a palindrome (498176671894).

The spelling of 253132440542 in words is "two hundred fifty-three billion, one hundred thirty-two million, four hundred forty thousand, five hundred forty-two".