40486530 has 128 divisors (see below), whose sum is σ = 119347200. Its totient is φ = 8584704.

The previous prime is 40486529. The next prime is 40486531. The reversal of 40486530 is 3568404.

40486530 = T₂₉₉₅ + T₂₉₉₆ + ... + T₃₀₀₃.

It is an interprime number because it is at equal distance from previous prime (40486529) and next prime (40486531).

It is a super-2 number, since 2×40486530² = 3278318222881800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (40486531) 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 63 ways as a sum of consecutive naturals, for example, 291201 + ... + 291339.

It is an arithmetic number, because the mean of its divisors is an integer number (932400).

Almost surely, 2^40486530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40486530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59673600).

40486530 is an abundant number, since it is smaller than the sum of its proper divisors (78860670).

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

40486530 is a wasteful number, since it uses less digits than its factorization.

40486530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40486530 is about 6362.9026395192. The cubic root of 40486530 is about 343.3761961966.

The spelling of 40486530 in words is "forty million, four hundred eighty-six thousand, five hundred thirty".