40730406 has 16 divisors (see below), whose sum is σ = 82223424. Its totient is φ = 13449704.

The previous prime is 40730399. The next prime is 40730411. The reversal of 40730406 is 60403704.

It is a congruent number.

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, 31080 + ... + 32363.

It is an arithmetic number, because the mean of its divisors is an integer number (5138964).

Almost surely, 2^40730406 is an apocalyptic number.

40730406 is an abundant number, since it is smaller than the sum of its proper divisors (41493018).

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

40730406 is a wasteful number, since it uses less digits than its factorization.

40730406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63555.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 40730406 is about 6382.0377623452. The cubic root of 40730406 is about 344.0642738654.

The spelling of 40730406 in words is "forty million, seven hundred thirty thousand, four hundred six".