40414040 has 32 divisors (see below), whose sum is σ = 91212480. Its totient is φ = 16115712.

The previous prime is 40414009. The next prime is 40414061. The reversal of 40414040 is 4041404.

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, 13304 + ... + 16056.

It is an arithmetic number, because the mean of its divisors is an integer number (2850390).

Almost surely, 2^40414040 is an apocalyptic number.

40414040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40414040 is an abundant number, since it is smaller than the sum of its proper divisors (50798440).

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

40414040 is a wasteful number, since it uses less digits than its factorization.

40414040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131 (or 3127 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 40414040 is about 6357.2037878300. The cubic root of 40414040 is about 343.1711386049.

Adding to 40414040 its reverse (4041404), we get a palindrome (44455444).

The spelling of 40414040 in words is "forty million, four hundred fourteen thousand, forty".