1540201634612 has 6 divisors (see below), whose sum is σ = 2695352860578. Its totient is φ = 770100817304.

The previous prime is 1540201634591. The next prime is 1540201634627. The reversal of 1540201634612 is 2164361020451.

It can be written as a sum of positive squares in only one way, i.e., 1524913795876 + 15287838736 = 1234874^2 + 123644^2 .

It is a super-3 number, since 3×1540201634612³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 192525204323 + ... + 192525204330.

It is an arithmetic number, because the mean of its divisors is an integer number (449225476763).

Almost surely, 2^{1540201634612} is an apocalyptic number.

It is an amenable number.

1540201634612 is a deficient number, since it is larger than the sum of its proper divisors (1155151225966).

1540201634612 is a wasteful number, since it uses less digits than its factorization.

1540201634612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385050408657 (or 385050408655 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 1540201634612 in words is "one trillion, five hundred forty billion, two hundred one million, six hundred thirty-four thousand, six hundred twelve".