40232000 has 112 divisors (see below), whose sum is σ = 102705408. Its totient is φ = 15603200.

The previous prime is 40231999. The next prime is 40232033. The reversal of 40232000 is 23204.

It is a super-2 number, since 2×40232000² = 3237227648000000, which contains 22 as substring.

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, 375947 + ... + 376053.

Almost surely, 2^40232000 is an apocalyptic number.

40232000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51352704).

40232000 is an abundant number, since it is smaller than the sum of its proper divisors (62473408).

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

40232000 is a wasteful number, since it uses less digits than its factorization.

40232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 40232000 is about 6342.8700128570. The cubic root of 40232000 is about 342.6551058358.

Adding to 40232000 its reverse (23204), we get a palindrome (40255204).

The spelling of 40232000 in words is "forty million, two hundred thirty-two thousand".