1401804536 has 16 divisors (see below), whose sum is σ = 2867327640. Its totient is φ = 637183840.

The previous prime is 1401804511. The next prime is 1401804611. The reversal of 1401804536 is 6354081041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7964711 + ... + 7964886.

Almost surely, 2^1401804536 is an apocalyptic number.

It is an amenable number.

1401804536 is an abundant number, since it is smaller than the sum of its proper divisors (1465523104).

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

1401804536 is a wasteful number, since it uses less digits than its factorization.

1401804536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15929614 (or 15929610 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1401804536 is about 37440.6802288634. The cubic root of 1401804536 is about 1119.1693820209.

Adding to 1401804536 its reverse (6354081041), we get a palindrome (7755885577).

The spelling of 1401804536 in words is "one billion, four hundred one million, eight hundred four thousand, five hundred thirty-six".