1540266949342 has 8 divisors (see below), whose sum is σ = 2520436826232. Its totient is φ = 700121340600.

The previous prime is 1540266949339. The next prime is 1540266949343. The reversal of 1540266949342 is 2439496620451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1540266949342² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540266949343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35006067009 + ... + 35006067052.

It is an arithmetic number, because the mean of its divisors is an integer number (315054603279).

Almost surely, 2^{1540266949342} is an apocalyptic number.

1540266949342 is a deficient number, since it is larger than the sum of its proper divisors (980169876890).

1540266949342 is a wasteful number, since it uses less digits than its factorization.

1540266949342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70012134074.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 1540266949342 in words is "one trillion, five hundred forty billion, two hundred sixty-six million, nine hundred forty-nine thousand, three hundred forty-two".