1540531216284 has 48 divisors (see below), whose sum is σ = 3710642159616. Its totient is φ = 496930104000.

The previous prime is 1540531216267. The next prime is 1540531216307. The reversal of 1540531216284 is 4826121350451.

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, 23291749 + ... + 23357795.

It is an arithmetic number, because the mean of its divisors is an integer number (77305044992).

Almost surely, 2^{1540531216284} is an apocalyptic number.

It is an amenable number.

1540531216284 is an abundant number, since it is smaller than the sum of its proper divisors (2170110943332).

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

1540531216284 is a wasteful number, since it uses less digits than its factorization.

1540531216284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128786 (or 128784 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 1540531216284 in words is "one trillion, five hundred forty billion, five hundred thirty-one million, two hundred sixteen thousand, two hundred eighty-four".