40146500 has 48 divisors (see below), whose sum is σ = 91518336. Its totient is φ = 15356000.

The previous prime is 40146499. The next prime is 40146529. The reversal of 40146500 is 564104.

It is a happy number.

It is a super-2 number, since 2×40146500² = 3223482924500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9755 + ... + 13245.

It is an arithmetic number, because the mean of its divisors is an integer number (1906632).

Almost surely, 2^40146500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40146500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45759168).

40146500 is an abundant number, since it is smaller than the sum of its proper divisors (51371836).

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

40146500 is a wasteful number, since it uses less digits than its factorization.

40146500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533 (or 3521 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40146500 is about 6336.1265770185. The cubic root of 40146500 is about 342.4121997757.

The spelling of 40146500 in words is "forty million, one hundred forty-six thousand, five hundred".