40421130 has 32 divisors (see below), whose sum is σ = 98107200. Its totient is φ = 10657152.

The previous prime is 40421123. The next prime is 40421137. The reversal of 40421130 is 3112404.

It is an interprime number because it is at equal distance from previous prime (40421123) and next prime (40421137).

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

It is not an unprimeable number, because it can be changed into a prime (40421137) 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 15 ways as a sum of consecutive naturals, for example, 4900 + ... + 10239.

It is an arithmetic number, because the mean of its divisors is an integer number (3065850).

Almost surely, 2^40421130 is an apocalyptic number.

40421130 is an abundant number, since it is smaller than the sum of its proper divisors (57686070).

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

40421130 is a wasteful number, since it uses less digits than its factorization.

40421130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15238.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40421130 is about 6357.7613984798. The cubic root of 40421130 is about 343.1912054027.

Adding to 40421130 its reverse (3112404), we get a palindrome (43533534).

The spelling of 40421130 in words is "forty million, four hundred twenty-one thousand, one hundred thirty".