40919410 has 72 divisors (see below), whose sum is σ = 89502084. Its totient is φ = 13426560.

The previous prime is 40919401. The next prime is 40919419. The reversal of 40919410 is 1491904.

It is an interprime number because it is at equal distance from previous prime (40919401) and next prime (40919419).

It can be written as a sum of positive squares in 6 ways, for example, as 23804641 + 17114769 = 4879^2 + 4137^2 .

It is a super-2 number, since 2×40919410² = 3348796229496200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40919419) 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 35 ways as a sum of consecutive naturals, for example, 670780 + ... + 670840.

Almost surely, 2^40919410 is an apocalyptic number.

40919410 is an abundant number, since it is smaller than the sum of its proper divisors (48582674).

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

40919410 is a wasteful number, since it uses less digits than its factorization.

40919410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 40919410 is about 6396.8281202483. The cubic root of 40919410 is about 344.5956475325.

The spelling of 40919410 in words is "forty million, nine hundred nineteen thousand, four hundred ten".