1400734668 has 24 divisors (see below), whose sum is σ = 3330049968. Its totient is φ = 458101696.

The previous prime is 1400734667. The next prime is 1400734681. The reversal of 1400734668 is 8664370041.

It is a super-2 number, since 2×1400734668² = 3924115220274140448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400734667) 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, 1100571 + ... + 1101842.

It is an arithmetic number, because the mean of its divisors is an integer number (138752082).

Almost surely, 2^1400734668 is an apocalyptic number.

It is an amenable number.

1400734668 is an abundant number, since it is smaller than the sum of its proper divisors (1929315300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400734668 is a wasteful number, since it uses less digits than its factorization.

1400734668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202473 (or 2202471 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1400734668 is about 37426.3899942273. The cubic root of 1400734668 is about 1118.8845899976.

The spelling of 1400734668 in words is "one billion, four hundred million, seven hundred thirty-four thousand, six hundred sixty-eight".