1401041046420 has 144 divisors (see below), whose sum is σ = 4284295823808. Its totient is φ = 370583216640.

The previous prime is 1401041046413. The next prime is 1401041046439. The reversal of 1401041046420 is 246401401041.

1401041046420 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 0 + 4 + 10 + 4 + 642 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54150327 + ... + 54176193.

It is an arithmetic number, because the mean of its divisors is an integer number (29752054332).

Almost surely, 2^{1401041046420} is an apocalyptic number.

1401041046420 is a gapful number since it is divisible by the number (10) 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 1401041046420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142147911904).

1401041046420 is an abundant number, since it is smaller than the sum of its proper divisors (2883254777388).

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

1401041046420 is a wasteful number, since it uses less digits than its factorization.

1401041046420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28310 (or 28305 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1401041046420 its reverse (246401401041), we get a palindrome (1647442447461).

The spelling of 1401041046420 in words is "one trillion, four hundred one billion, forty-one million, forty-six thousand, four hundred twenty".