103440740 has 24 divisors (see below), whose sum is σ = 233935800. Its totient is φ = 38193408.

The previous prime is 103440739. The next prime is 103440763. The reversal of 103440740 is 47044301.

It can be written as a sum of positive squares in 4 ways, for example, as 702244 + 102738496 = 838^2 + 10136^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198665 + ... + 199184.

It is an arithmetic number, because the mean of its divisors is an integer number (9747325).

Almost surely, 2^103440740 is an apocalyptic number.

103440740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103440740 is an abundant number, since it is smaller than the sum of its proper divisors (130495060).

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

103440740 is a wasteful number, since it uses less digits than its factorization.

103440740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397871 (or 397869 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 103440740 is about 10170.5820875700. The cubic root of 103440740 is about 469.4224685341.

The spelling of 103440740 in words is "one hundred three million, four hundred forty thousand, seven hundred forty".