1400734680 has 32 divisors (see below), whose sum is σ = 4202204400. Its totient is φ = 373529216.

The previous prime is 1400734667. The next prime is 1400734681. The reversal of 1400734680 is 864370041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400734681) 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, 5836275 + ... + 5836514.

Almost surely, 2^1400734680 is an apocalyptic number.

1400734680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400734680 is an abundant number, since it is smaller than the sum of its proper divisors (2801469720).

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

1400734680 is a wasteful number, since it uses less digits than its factorization.

1400734680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11672803 (or 11672799 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1400734680 is about 37426.3901545420. The cubic root of 1400734680 is about 1118.8845931928.

The spelling of 1400734680 in words is "one billion, four hundred million, seven hundred thirty-four thousand, six hundred eighty".