740778229629 has 16 divisors (see below), whose sum is σ = 1113829071040. Its totient is φ = 486481224240.

The previous prime is 740778229603. The next prime is 740778229649. The reversal of 740778229629 is 926922877047.

It is not a de Polignac number, because 740778229629 - 2²¹ = 740776132477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740778229649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204746182 + ... + 204749799.

It is an arithmetic number, because the mean of its divisors is an integer number (69614316940).

Almost surely, 2^740778229629 is an apocalyptic number.

It is an amenable number.

740778229629 is a deficient number, since it is larger than the sum of its proper divisors (373050841411).

740778229629 is a wasteful number, since it uses less digits than its factorization.

740778229629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409496057 (or 409496051 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 740778229629 in words is "seven hundred forty billion, seven hundred seventy-eight million, two hundred twenty-nine thousand, six hundred twenty-nine".