1400554177649 has 8 divisors (see below), whose sum is σ = 1608291878880. Its totient is φ = 1206218908800.

The previous prime is 1400554177619. The next prime is 1400554177667. The reversal of 1400554177649 is 9467714550041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400554177649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400554177649.

It is not an unprimeable number, because it can be changed into a prime (1400554177619) 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 in 7 ways as a sum of consecutive naturals, for example, 3350607872 + ... + 3350608289.

It is an arithmetic number, because the mean of its divisors is an integer number (201036484860).

Almost surely, 2^{1400554177649} is an apocalyptic number.

1400554177649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1400554177649 is a deficient number, since it is larger than the sum of its proper divisors (207737701231).

1400554177649 is a wasteful number, since it uses less digits than its factorization.

1400554177649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6701216191.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 1400554177649 in words is "one trillion, four hundred billion, five hundred fifty-four million, one hundred seventy-seven thousand, six hundred forty-nine".