1540377314402 has 4 divisors (see below), whose sum is σ = 2310565971606. Its totient is φ = 770188657200.

The previous prime is 1540377314401. The next prime is 1540377314417. The reversal of 1540377314402 is 2044137730451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1224849079441 + 315528234961 = 1106729^2 + 561719^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1540377314402.

It is not an unprimeable number, because it can be changed into a prime (1540377314401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385094328599 + ... + 385094328602.

Almost surely, 2^{1540377314402} is an apocalyptic number.

1540377314402 is a deficient number, since it is larger than the sum of its proper divisors (770188657204).

1540377314402 is an equidigital number, since it uses as much as digits as its factorization.

1540377314402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770188657203.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 1540377314402 in words is "one trillion, five hundred forty billion, three hundred seventy-seven million, three hundred fourteen thousand, four hundred two".