1401801841 has 8 divisors (see below), whose sum is σ = 1538397504. Its totient is φ = 1266732720.

The previous prime is 1401801811. The next prime is 1401801851. The reversal of 1401801841 is 1481081041.

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

It is not a de Polignac number, because 1401801841 - 2²³ = 1393413233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401801811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379710 + ... + 383383.

It is an arithmetic number, because the mean of its divisors is an integer number (192299688).

Almost surely, 2^1401801841 is an apocalyptic number.

1401801841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1401801841 is a deficient number, since it is larger than the sum of its proper divisors (136595663).

1401801841 is a wasteful number, since it uses less digits than its factorization.

1401801841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763271.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 1401801841 is about 37440.6442385812. The cubic root of 1401801841 is about 1119.1686648112.

Adding to 1401801841 its reverse (1481081041), we get a palindrome (2882882882).

The spelling of 1401801841 in words is "one billion, four hundred one million, eight hundred one thousand, eight hundred forty-one".