1540620270234 has 24 divisors (see below), whose sum is σ = 3428227089300. Its totient is φ = 499660627968.

The previous prime is 1540620270229. The next prime is 1540620270257. The reversal of 1540620270234 is 4320720260451.

1540620270234 is a `hidden beast` number, since 1 + 5 + 4 + 0 + 620 + 2 + 7 + 0 + 23 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1533627129609 + 6993140625 = 1238397^2 + 83625^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1156621159 + ... + 1156622490.

Almost surely, 2^{1540620270234} is an apocalyptic number.

1540620270234 is an abundant number, since it is smaller than the sum of its proper divisors (1887606819066).

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

1540620270234 is a wasteful number, since it uses less digits than its factorization.

1540620270234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313243694 (or 2313243691 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 1540620270234 in words is "one trillion, five hundred forty billion, six hundred twenty million, two hundred seventy thousand, two hundred thirty-four".