1401336504 has 64 divisors (see below), whose sum is σ = 3927117600. Its totient is φ = 462970368.

The previous prime is 1401336439. The next prime is 1401336509. The reversal of 1401336504 is 4056331041.

1401336504 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 3 + 3 + 650 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401336509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4299 + ... + 53114.

Almost surely, 2^1401336504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401336504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1963558800).

1401336504 is an abundant number, since it is smaller than the sum of its proper divisors (2525781096).

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

1401336504 is a wasteful number, since it uses less digits than its factorization.

1401336504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57541 (or 57531 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1401336504 is about 37434.4293932738. The cubic root of 1401336504 is about 1119.0448127300.

Adding to 1401336504 its reverse (4056331041), we get a palindrome (5457667545).

The spelling of 1401336504 in words is "one billion, four hundred one million, three hundred thirty-six thousand, five hundred four".