40829697 has 16 divisors (see below), whose sum is σ = 62440960. Its totient is φ = 26341200.

The previous prime is 40829693. The next prime is 40829713. The reversal of 40829697 is 79692804.

It is a happy number.

It is not a de Polignac number, because 40829697 - 2² = 40829693 is a prime.

It is a super-2 number, since 2×40829697² = 3334128314223618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40829693) 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, 23554 + ... + 25227.

It is an arithmetic number, because the mean of its divisors is an integer number (3902560).

Almost surely, 2^40829697 is an apocalyptic number.

It is an amenable number.

40829697 is a deficient number, since it is larger than the sum of its proper divisors (21611263).

40829697 is a wasteful number, since it uses less digits than its factorization.

40829697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48821 (or 48815 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 40829697 is about 6389.8119690645. The cubic root of 40829697 is about 344.3436291572.

The spelling of 40829697 in words is "forty million, eight hundred twenty-nine thousand, six hundred ninety-seven".