40629339 has 12 divisors (see below), whose sum is σ = 61238736. Its totient is φ = 25908432.

The previous prime is 40629331. The next prime is 40629341. The reversal of 40629339 is 93392604.

It is a happy number.

It is not a de Polignac number, because 40629339 - 2³ = 40629331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40629331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97932 + ... + 98345.

It is an arithmetic number, because the mean of its divisors is an integer number (5103228).

Almost surely, 2^40629339 is an apocalyptic number.

40629339 is a deficient number, since it is larger than the sum of its proper divisors (20609397).

40629339 is a wasteful number, since it uses less digits than its factorization.

40629339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196306 (or 196303 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 40629339 is about 6374.1147620670. The cubic root of 40629339 is about 343.7794551509.

The spelling of 40629339 in words is "forty million, six hundred twenty-nine thousand, three hundred thirty-nine".