4540215402142 has 32 divisors (see below), whose sum is σ = 8082228211200. Its totient is φ = 1871566394208.

The previous prime is 4540215402137. The next prime is 4540215402179. The reversal of 4540215402142 is 2412045120454.

It is a super-2 number, since 2×4540215402142² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4540215402098 and 4540215402107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21153292 + ... + 21366847.

It is an arithmetic number, because the mean of its divisors is an integer number (252569631600).

Almost surely, 2^{4540215402142} is an apocalyptic number.

4540215402142 is a deficient number, since it is larger than the sum of its proper divisors (3542012809058).

4540215402142 is a wasteful number, since it uses less digits than its factorization.

4540215402142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42520440.

The product of its (nonzero) digits is 51200, while the sum is 34.

The spelling of 4540215402142 in words is "four trillion, five hundred forty billion, two hundred fifteen million, four hundred two thousand, one hundred forty-two".