42142653154250 has 128 divisors (see below), whose sum is σ = 87209978019840. Its totient is φ = 15120616680000.

The previous prime is 42142653154247. The next prime is 42142653154319. The reversal of 42142653154250 is 5245135624124.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 332546399 + ... + 332673101.

It is an arithmetic number, because the mean of its divisors is an integer number (681327953280).

Almost surely, 2^{42142653154250} is an apocalyptic number.

42142653154250 is an abundant number, since it is smaller than the sum of its proper divisors (45067324865590).

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

42142653154250 is a wasteful number, since it uses less digits than its factorization.

42142653154250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128341 (or 128331 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

Adding to 42142653154250 its reverse (5245135624124), we get a palindrome (47387788778374).

The spelling of 42142653154250 in words is "forty-two trillion, one hundred forty-two billion, six hundred fifty-three million, one hundred fifty-four thousand, two hundred fifty".