1401036804 has 24 divisors (see below), whose sum is σ = 3632317920. Its totient is φ = 467012232.

The previous prime is 1401036803. The next prime is 1401036829. The reversal of 1401036804 is 4086301041.

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

It is not an unprimeable number, because it can be changed into a prime (1401036803) 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, 6486174 + ... + 6486389.

It is an arithmetic number, because the mean of its divisors is an integer number (151346580).

Almost surely, 2^1401036804 is an apocalyptic number.

It is an amenable number.

1401036804 is an abundant number, since it is smaller than the sum of its proper divisors (2231281116).

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

1401036804 is a wasteful number, since it uses less digits than its factorization.

1401036804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12972576 (or 12972568 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1401036804 is about 37430.4261797805. The cubic root of 1401036804 is about 1118.9650313591.

Adding to 1401036804 its reverse (4086301041), we get a palindrome (5487337845).

The spelling of 1401036804 in words is "one billion, four hundred one million, thirty-six thousand, eight hundred four".