40629995 has 16 divisors (see below), whose sum is σ = 57520128. Its totient is φ = 26961120.

The previous prime is 40629991. The next prime is 40630019. The reversal of 40629995 is 59992604.

It is not a de Polignac number, because 40629995 - 2² = 40629991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40629991) 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, 17639 + ... + 19808.

It is an arithmetic number, because the mean of its divisors is an integer number (3595008).

Almost surely, 2^40629995 is an apocalyptic number.

40629995 is a deficient number, since it is larger than the sum of its proper divisors (16890133).

40629995 is a wasteful number, since it uses less digits than its factorization.

40629995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37490.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 40629995 is about 6374.1662199852. The cubic root of 40629995 is about 343.7813053583.

The spelling of 40629995 in words is "forty million, six hundred twenty-nine thousand, nine hundred ninety-five".