740981804810 has 128 divisors (see below), whose sum is σ = 1476448948800. Its totient is φ = 266059063296.

The previous prime is 740981804791. The next prime is 740981804887. The reversal of 740981804810 is 18408189047.

It is a happy number.

It is a Cunningham number, because it is equal to 860803²+1.

It can be written as a sum of positive squares in 32 ways, for example, as 19231310329 + 721750494481 = 138677^2 + 849559^2 .

It is a super-2 number, since 2×740981804810² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 706369166 + ... + 706370214.

Almost surely, 2^740981804810 is an apocalyptic number.

740981804810 is a deficient number, since it is larger than the sum of its proper divisors (735467143990).

740981804810 is a wasteful number, since it uses less digits than its factorization.

740981804810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932.

The product of its (nonzero) digits is 516096, while the sum is 50.

The spelling of 740981804810 in words is "seven hundred forty billion, nine hundred eighty-one million, eight hundred four thousand, eight hundred ten".