46401138238 has 16 divisors (see below), whose sum is σ = 85663640160. Its totient is φ = 18356494176.

The previous prime is 46401138197. The next prime is 46401138253. The reversal of 46401138238 is 83283110464.

It is a self number, because there is not a number n which added to its sum of digits gives 46401138238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127475473 + ... + 127475836.

It is an arithmetic number, because the mean of its divisors is an integer number (5353977510).

Almost surely, 2^46401138238 is an apocalyptic number.

46401138238 is a deficient number, since it is larger than the sum of its proper divisors (39262501922).

46401138238 is a wasteful number, since it uses less digits than its factorization.

46401138238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254951331.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 46401138238 in words is "forty-six billion, four hundred one million, one hundred thirty-eight thousand, two hundred thirty-eight".