40146332 has 24 divisors (see below), whose sum is σ = 72432864. Its totient is φ = 19455552.

The previous prime is 40146331. The next prime is 40146347. The reversal of 40146332 is 23364104.

It is a happy number.

It is a super-2 number, since 2×40146332² = 3223455946108448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40146298 and 40146307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40146331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71798 + ... + 72354.

It is an arithmetic number, because the mean of its divisors is an integer number (3018036).

Almost surely, 2^40146332 is an apocalyptic number.

It is an amenable number.

40146332 is a deficient number, since it is larger than the sum of its proper divisors (32286532).

40146332 is a wasteful number, since it uses less digits than its factorization.

40146332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 40146332 is about 6336.1133196937. The cubic root of 40146332 is about 342.4117221472.

The spelling of 40146332 in words is "forty million, one hundred forty-six thousand, three hundred thirty-two".