634037225142 has 32 divisors (see below), whose sum is σ = 1273670479872. Its totient is φ = 210415055264.

The previous prime is 634037225089. The next prime is 634037225153. The reversal of 634037225142 is 241522730436.

634037225142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 634037225142.

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, 1032313 + ... + 1527659.

It is an arithmetic number, because the mean of its divisors is an integer number (39802202496).

Almost surely, 2^634037225142 is an apocalyptic number.

634037225142 is an abundant number, since it is smaller than the sum of its proper divisors (639633254730).

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

634037225142 is a wasteful number, since it uses less digits than its factorization.

634037225142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496292.

The product of its (nonzero) digits is 241920, while the sum is 39.

Adding to 634037225142 its reverse (241522730436), we get a palindrome (875559955578).

The spelling of 634037225142 in words is "six hundred thirty-four billion, thirty-seven million, two hundred twenty-five thousand, one hundred forty-two".