1401024404 has 24 divisors (see below), whose sum is σ = 2679807648. Its totient is φ = 636973920.

The previous prime is 1401024371. The next prime is 1401024421. The reversal of 1401024404 is 4044201041.

It is a happy number.

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, 197582 + ... + 204549.

It is an arithmetic number, because the mean of its divisors is an integer number (111658652).

Almost surely, 2^1401024404 is an apocalyptic number.

It is an amenable number.

1401024404 is a deficient number, since it is larger than the sum of its proper divisors (1278783244).

1401024404 is a wasteful number, since it uses less digits than its factorization.

1401024404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402215 (or 402213 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1401024404 is about 37430.2605387673. The cubic root of 1401024404 is about 1118.9617301831.

Adding to 1401024404 its reverse (4044201041), we get a palindrome (5445225445).

The spelling of 1401024404 in words is "one billion, four hundred one million, twenty-four thousand, four hundred four".