1403625056 has 24 divisors (see below), whose sum is σ = 2858677920. Its totient is φ = 677611648.

The previous prime is 1403625031. The next prime is 1403625079. The reversal of 1403625056 is 6505263041.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 755336 + ... + 757191.

It is an arithmetic number, because the mean of its divisors is an integer number (119111580).

Almost surely, 2^1403625056 is an apocalyptic number.

1403625056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1403625056 is an abundant number, since it is smaller than the sum of its proper divisors (1455052864).

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

1403625056 is a wasteful number, since it uses less digits than its factorization.

1403625056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512566 (or 1512558 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1403625056 is about 37464.9843987689. The cubic root of 1403625056 is about 1119.6536599183.

Adding to 1403625056 its reverse (6505263041), we get a palindrome (7908888097).

The spelling of 1403625056 in words is "one billion, four hundred three million, six hundred twenty-five thousand, fifty-six".