40829629397 has 4 divisors (see below), whose sum is σ = 42978557280. Its totient is φ = 38680701516.

The previous prime is 40829629387. The next prime is 40829629427. The reversal of 40829629397 is 79392692804.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40829629397 - 2⁶ = 40829629333 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 (40829629387) 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 3 ways as a sum of consecutive naturals, for example, 1074463913 + ... + 1074463950.

It is an arithmetic number, because the mean of its divisors is an integer number (10744639320).

Almost surely, 2^40829629397 is an apocalyptic number.

It is an amenable number.

40829629397 is a deficient number, since it is larger than the sum of its proper divisors (2148927883).

40829629397 is a wasteful number, since it uses less digits than its factorization.

40829629397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148927882.

The product of its (nonzero) digits is 11757312, while the sum is 59.

The spelling of 40829629397 in words is "forty billion, eight hundred twenty-nine million, six hundred twenty-nine thousand, three hundred ninety-seven".