40450629 has 16 divisors (see below), whose sum is σ = 58097664. Its totient is φ = 24961200.

The previous prime is 40450609. The next prime is 40450637. The reversal of 40450629 is 92605404.

It is not a de Polignac number, because 40450629 - 2⁹ = 40450117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40450596 and 40450605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40450609) 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, 7317 + ... + 11594.

It is an arithmetic number, because the mean of its divisors is an integer number (3631104).

Almost surely, 2^40450629 is an apocalyptic number.

It is an amenable number.

40450629 is a deficient number, since it is larger than the sum of its proper divisors (17647035).

40450629 is a wasteful number, since it uses less digits than its factorization.

40450629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18968.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40450629 is about 6360.0808957119. The cubic root of 40450629 is about 343.2746711182.

The spelling of 40450629 in words is "forty million, four hundred fifty thousand, six hundred twenty-nine".