40629459 has 24 divisors (see below), whose sum is σ = 59215872. Its totient is φ = 24766560.

The previous prime is 40629427. The next prime is 40629487. The reversal of 40629459 is 95492604.

It is not a de Polignac number, because 40629459 - 2⁵ = 40629427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40629059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64074 + ... + 64704.

It is an arithmetic number, because the mean of its divisors is an integer number (2467328).

Almost surely, 2^40629459 is an apocalyptic number.

40629459 is a deficient number, since it is larger than the sum of its proper divisors (18586413).

40629459 is a wasteful number, since it uses less digits than its factorization.

40629459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 40629459 is about 6374.1241751318. The cubic root of 40629459 is about 343.7797936050.

The spelling of 40629459 in words is "forty million, six hundred twenty-nine thousand, four hundred fifty-nine".