1401840350 has 12 divisors (see below), whose sum is σ = 2607423144. Its totient is φ = 560736120.

The previous prime is 1401840343. The next prime is 1401840359. The reversal of 1401840350 is 530481041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401840359) 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 5 ways as a sum of consecutive naturals, for example, 14018354 + ... + 14018453.

It is an arithmetic number, because the mean of its divisors is an integer number (217285262).

Almost surely, 2^1401840350 is an apocalyptic number.

1401840350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401840350 is a deficient number, since it is larger than the sum of its proper divisors (1205582794).

1401840350 is a wasteful number, since it uses less digits than its factorization.

1401840350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28036819 (or 28036814 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1401840350 is about 37441.1585023754. The cubic root of 1401840350 is about 1119.1789129718.

The spelling of 1401840350 in words is "one billion, four hundred one million, eight hundred forty thousand, three hundred fifty".