29240757645 has 16 divisors (see below), whose sum is σ = 51038413632. Its totient is φ = 14177336960.

The previous prime is 29240757643. The next prime is 29240757661. The reversal of 29240757645 is 54675704292.

It is not a de Polignac number, because 29240757645 - 2¹ = 29240757643 is a prime.

It is a super-3 number, since 3×29240757645³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29240757643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 88608192 + ... + 88608521.

It is an arithmetic number, because the mean of its divisors is an integer number (3189900852).

Almost surely, 2^29240757645 is an apocalyptic number.

It is an amenable number.

29240757645 is a deficient number, since it is larger than the sum of its proper divisors (21797655987).

29240757645 is a wasteful number, since it uses less digits than its factorization.

29240757645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177216732.

The product of its (nonzero) digits is 4233600, while the sum is 51.

It can be divided in two parts, 29240 and 757645, that added together give a triangular number (786885 = T₁₂₅₄).

The spelling of 29240757645 in words is "twenty-nine billion, two hundred forty million, seven hundred fifty-seven thousand, six hundred forty-five".