2140628480 has 40 divisors (see below), whose sum is σ = 5132497392. Its totient is φ = 856250368.

The previous prime is 2140628471. The next prime is 2140628507. The reversal of 2140628480 is 848260412.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2140628480² = 9164580578774220800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2140628480.

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, 415532 + ... + 420651.

Almost surely, 2^2140628480 is an apocalyptic number.

2140628480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140628480 is an abundant number, since it is smaller than the sum of its proper divisors (2991868912).

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

2140628480 is an frugal number, since it uses more digits than its factorization.

2140628480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836206 (or 836190 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 2140628480 is about 46266.9264161777. The cubic root of 2140628480 is about 1288.7848822579.

Adding to 2140628480 its reverse (848260412), we get a palindrome (2988888892).

The spelling of 2140628480 in words is "two billion, one hundred forty million, six hundred twenty-eight thousand, four hundred eighty".