40410420 has 48 divisors (see below), whose sum is σ = 115915968. Its totient is φ = 10512640.

The previous prime is 40410367. The next prime is 40410421. The reversal of 40410420 is 2401404.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 40410420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40410421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5754 + ... + 10673.

It is an arithmetic number, because the mean of its divisors is an integer number (2414916).

Almost surely, 2^40410420 is an apocalyptic number.

It is an amenable number.

40410420 is an abundant number, since it is smaller than the sum of its proper divisors (75505548).

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

40410420 is a wasteful number, since it uses less digits than its factorization.

40410420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16480 (or 16478 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 40410420 is about 6356.9190650818. The cubic root of 40410420 is about 343.1608920288.

Adding to 40410420 its reverse (2401404), we get a palindrome (42811824).

The spelling of 40410420 in words is "forty million, four hundred ten thousand, four hundred twenty".