1400680550 has 12 divisors (see below), whose sum is σ = 2605265916. Its totient is φ = 560272200.

The previous prime is 1400680543. The next prime is 1400680553. The reversal of 1400680550 is 550860041.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400680553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14006756 + ... + 14006855.

It is an arithmetic number, because the mean of its divisors is an integer number (217105493).

Almost surely, 2^1400680550 is an apocalyptic number.

1400680550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400680550 is a deficient number, since it is larger than the sum of its proper divisors (1204585366).

1400680550 is a wasteful number, since it uses less digits than its factorization.

1400680550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28013623 (or 28013618 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 1400680550 is about 37425.6669947244. Note that the first 3 decimals coincide. The cubic root of 1400680550 is about 1118.8701802793.

The spelling of 1400680550 in words is "one billion, four hundred million, six hundred eighty thousand, five hundred fifty".