632232120157838 has 4 divisors (see below), whose sum is σ = 948348180236760. Its totient is φ = 316116060078918.

The previous prime is 632232120157811. The next prime is 632232120157849. The reversal of 632232120157838 is 838751021232236.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 632232120157838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158058030039458 + ... + 158058030039461.

It is an arithmetic number, because the mean of its divisors is an integer number (237087045059190).

Almost surely, 2^{632232120157838} is an apocalyptic number.

632232120157838 is a deficient number, since it is larger than the sum of its proper divisors (316116060078922).

632232120157838 is a wasteful number, since it uses less digits than its factorization.

632232120157838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316116060078921.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 632232120157838 in words is "six hundred thirty-two trillion, two hundred thirty-two billion, one hundred twenty million, one hundred fifty-seven thousand, eight hundred thirty-eight".