1400445355 has 8 divisors (see below), whose sum is σ = 1683450432. Its totient is φ = 1118412288.

The previous prime is 1400445353. The next prime is 1400445377. The reversal of 1400445355 is 5535440041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1400445355 - 2¹ = 1400445353 is a prime.

It is a super-2 number, since 2×1400445355² = 3922494384682152050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400445353) 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, 239827 + ... + 245596.

It is an arithmetic number, because the mean of its divisors is an integer number (210431304).

Almost surely, 2^1400445355 is an apocalyptic number.

1400445355 is a deficient number, since it is larger than the sum of its proper divisors (283005077).

1400445355 is an equidigital number, since it uses as much as digits as its factorization.

1400445355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486005.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1400445355 is about 37422.5247010407. The cubic root of 1400445355 is about 1118.8075518181.

Adding to 1400445355 its reverse (5535440041), we get a palindrome (6935885396).

The spelling of 1400445355 in words is "one billion, four hundred million, four hundred forty-five thousand, three hundred fifty-five".