1401861922384 has 160 divisors (see below), whose sum is σ = 3412787281920. Its totient is φ = 541927142400.

The previous prime is 1401861922367. The next prime is 1401861922393. The reversal of 1401861922384 is 4832291681041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82731417 + ... + 82748359.

It is an arithmetic number, because the mean of its divisors is an integer number (21329920512).

Almost surely, 2^{1401861922384} is an apocalyptic number.

1401861922384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401861922384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706393640960).

1401861922384 is an abundant number, since it is smaller than the sum of its proper divisors (2010925359536).

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

1401861922384 is a wasteful number, since it uses less digits than its factorization.

1401861922384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17489 (or 17483 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 1401861922384 in words is "one trillion, four hundred one billion, eight hundred sixty-one million, nine hundred twenty-two thousand, three hundred eighty-four".