40905414 has 24 divisors (see below), whose sum is σ = 96685992. Its totient is φ = 12395520.

The previous prime is 40905409. The next prime is 40905419. The reversal of 40905414 is 41450904.

It is an interprime number because it is at equal distance from previous prime (40905409) and next prime (40905419).

It is a super-2 number, since 2×40905414² = 3346505789022792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40905419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103099 + ... + 103494.

It is an arithmetic number, because the mean of its divisors is an integer number (4028583).

Almost surely, 2^40905414 is an apocalyptic number.

40905414 is an abundant number, since it is smaller than the sum of its proper divisors (55780578).

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

40905414 is a wasteful number, since it uses less digits than its factorization.

40905414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206612 (or 206609 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 40905414 is about 6395.7340470035. The cubic root of 40905414 is about 344.5563547644.

Subtracting 40905414 from its reverse (41450904), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 40905414 in words is "forty million, nine hundred five thousand, four hundred fourteen".