401138872663722 has 8 divisors (see below), whose sum is σ = 802277745327456. Its totient is φ = 133712957554572.

The previous prime is 401138872663699. The next prime is 401138872663723. The reversal of 401138872663722 is 227366278831104.

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

401138872663722 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (401138872663723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33428239388638 + ... + 33428239388649.

It is an arithmetic number, because the mean of its divisors is an integer number (100284718165932).

Almost surely, 2^{401138872663722} is an apocalyptic number.

401138872663722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

401138872663722 is a wasteful number, since it uses less digits than its factorization.

401138872663722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66856478777292.

The product of its (nonzero) digits is 32514048, while the sum is 60.

The spelling of 401138872663722 in words is "four hundred one trillion, one hundred thirty-eight billion, eight hundred seventy-two million, six hundred sixty-three thousand, seven hundred twenty-two".