40430634 has 16 divisors (see below), whose sum is σ = 83470080. Its totient is φ = 13042080.

The previous prime is 40430623. The next prime is 40430647. The reversal of 40430634 is 43603404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108499 + ... + 108870.

It is an arithmetic number, because the mean of its divisors is an integer number (5216880).

Almost surely, 2^40430634 is an apocalyptic number.

40430634 is an abundant number, since it is smaller than the sum of its proper divisors (43039446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40430634 is a wasteful number, since it uses less digits than its factorization.

40430634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217405.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 40430634 is about 6358.5087874438. The cubic root of 40430634 is about 343.2181008542.

The spelling of 40430634 in words is "forty million, four hundred thirty thousand, six hundred thirty-four".