1400449270 has 16 divisors (see below), whose sum is σ = 2749973328. Its totient is φ = 509254240.

The previous prime is 1400449249. The next prime is 1400449279. The reversal of 1400449270 is 729440041.

It is a super-2 number, since 2×1400449270² = 3922516315687065800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400449279) 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, 6365569 + ... + 6365788.

It is an arithmetic number, because the mean of its divisors is an integer number (171873333).

Almost surely, 2^1400449270 is an apocalyptic number.

1400449270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400449270 is a deficient number, since it is larger than the sum of its proper divisors (1349524058).

1400449270 is a wasteful number, since it uses less digits than its factorization.

1400449270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12731375.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1400449270 is about 37422.5770090730. The cubic root of 1400449270 is about 1118.8085943739.

The spelling of 1400449270 in words is "one billion, four hundred million, four hundred forty-nine thousand, two hundred seventy".