4540215402140 has 36 divisors (see below), whose sum is σ = 10480017871848. Its totient is φ = 1650987418080.

The previous prime is 4540215402137. The next prime is 4540215402179. The reversal of 4540215402140 is 412045120454.

It is a super-2 number, since 2×4540215402140² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4540215402097 and 4540215402106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 938058614 + ... + 938063453.

Almost surely, 2^{4540215402140} is an apocalyptic number.

It is an amenable number.

4540215402140 is an abundant number, since it is smaller than the sum of its proper divisors (5939802469708).

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

4540215402140 is a wasteful number, since it uses less digits than its factorization.

4540215402140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876122098 (or 1876122085 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The spelling of 4540215402140 in words is "four trillion, five hundred forty billion, two hundred fifteen million, four hundred two thousand, one hundred forty".