1400087056 has 40 divisors (see below), whose sum is σ = 2845800000. Its totient is φ = 666368640.

The previous prime is 1400087011. The next prime is 1400087081. The reversal of 1400087056 is 6507800041.

It is a super-3 number, since 3×1400087056³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11695 + ... + 54193.

It is an arithmetic number, because the mean of its divisors is an integer number (71145000).

Almost surely, 2^1400087056 is an apocalyptic number.

1400087056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400087056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422900000).

1400087056 is an abundant number, since it is smaller than the sum of its proper divisors (1445712944).

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

1400087056 is a wasteful number, since it uses less digits than its factorization.

1400087056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42607 (or 42601 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1400087056 is about 37417.7371843889. The cubic root of 1400087056 is about 1118.7121293590.

Adding to 1400087056 its reverse (6507800041), we get a palindrome (7907887097).

The spelling of 1400087056 in words is "one billion, four hundred million, eighty-seven thousand, fifty-six".