40380629 has 4 divisors (see below), whose sum is σ = 40541760. Its totient is φ = 40219500.

The previous prime is 40380601. The next prime is 40380649. The reversal of 40380629 is 92608304.

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 40380629 - 2¹² = 40376533 is a prime.

It is a super-3 number, since 3×40380629³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40380595 and 40380604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40380649) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 80189 + ... + 80690.

It is an arithmetic number, because the mean of its divisors is an integer number (10135440).

Almost surely, 2^40380629 is an apocalyptic number.

It is an amenable number.

40380629 is a deficient number, since it is larger than the sum of its proper divisors (161131).

40380629 is a wasteful number, since it uses less digits than its factorization.

40380629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161130.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 40380629 is about 6354.5754382177. The cubic root of 40380629 is about 343.0765439872.

The spelling of 40380629 in words is "forty million, three hundred eighty thousand, six hundred twenty-nine".