40607406 has 40 divisors (see below), whose sum is σ = 103992240. Its totient is φ = 11601792.

The previous prime is 40607377. The next prime is 40607419. The reversal of 40607406 is 60470604.

It is a super-2 number, since 2×40607406² = 3297922844097672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40607406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16771 + ... + 19038.

It is an arithmetic number, because the mean of its divisors is an integer number (2599806).

Almost surely, 2^40607406 is an apocalyptic number.

40607406 is an abundant number, since it is smaller than the sum of its proper divisors (63384834).

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

40607406 is a wasteful number, since it uses less digits than its factorization.

40607406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35830 (or 35821 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40607406 is about 6372.3940556121. The cubic root of 40607406 is about 343.7175830147.

The spelling of 40607406 in words is "forty million, six hundred seven thousand, four hundred six".